day1/session4.tex
author Santosh G. Vattam <vattam.santosh@gmail.com>
Mon, 08 Mar 2010 20:45:33 +0530
changeset 379 682b6f66fe11
parent 378 2299700a8b97
child 382 41c34770d63a
permissions -rw-r--r--
Updated for day1 of GRD workshop.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     2
%Tutorial slides on Python.
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     3
%
141
fccf675946bf Made usage of FOSSEE consistent; removed all instances of Team, Group.
Puneeth Chaganti <punchagan@fossee.in>
parents: 131
diff changeset
     4
% Author: FOSSEE 
fccf675946bf Made usage of FOSSEE consistent; removed all instances of Team, Group.
Puneeth Chaganti <punchagan@fossee.in>
parents: 131
diff changeset
     5
% Copyright (c) 2009, FOSSEE, IIT Bombay
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     6
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     7
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     8
\documentclass[14pt,compress]{beamer}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
     9
%\documentclass[draft]{beamer}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    10
%\documentclass[compress,handout]{beamer}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    11
%\usepackage{pgfpages} 
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    12
%\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    13
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    14
% Modified from: generic-ornate-15min-45min.de.tex
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    15
\mode<presentation>
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    16
{
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    17
  \usetheme{Warsaw}
239
8953675dc056 Added slide numbers.
Puneeth Chaganti <punchagan@fossee.in>
parents: 235
diff changeset
    18
  \useoutertheme{infolines}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    19
  \setbeamercovered{transparent}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    20
}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    21
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    22
\usepackage[english]{babel}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    23
\usepackage[latin1]{inputenc}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    24
%\usepackage{times}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    25
\usepackage[T1]{fontenc}
123
d2f4053a2e85 Added first slides for ODE.
Puneeth Chaganti <punchagan@fossee.in>
parents: 118
diff changeset
    26
\usepackage{amsmath}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    27
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    28
% Taken from Fernando's slides.
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    29
\usepackage{ae,aecompl}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    30
\usepackage{mathpazo,courier,euler}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    31
\usepackage[scaled=.95]{helvet}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    32
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    33
\definecolor{darkgreen}{rgb}{0,0.5,0}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    34
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    35
\usepackage{listings}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    36
\lstset{language=Python,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    37
    basicstyle=\ttfamily\bfseries,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    38
    commentstyle=\color{red}\itshape,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    39
  stringstyle=\color{darkgreen},
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    40
  showstringspaces=false,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    41
  keywordstyle=\color{blue}\bfseries}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    42
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    43
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    44
% Macros
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    45
\setbeamercolor{emphbar}{bg=blue!20, fg=black}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    46
\newcommand{\emphbar}[1]
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    47
{\begin{beamercolorbox}[rounded=true]{emphbar} 
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    48
      {#1}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    49
 \end{beamercolorbox}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    50
}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    51
\newcounter{time}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    52
\setcounter{time}{0}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    53
\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    54
127
44c2f614e321 Updated Integration section in Session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 124
diff changeset
    55
\newcommand{\typ}[1]{\lstinline{#1}}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    56
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    57
\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    58
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    59
%%% This is from Fernando's setup.
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    60
% \usepackage{color}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    61
% \definecolor{orange}{cmyk}{0,0.4,0.8,0.2}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    62
% % Use and configure listings package for nicely formatted code
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    63
% \usepackage{listings}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    64
% \lstset{
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    65
%    language=Python,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    66
%    basicstyle=\small\ttfamily,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    67
%    commentstyle=\ttfamily\color{blue},
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    68
%    stringstyle=\ttfamily\color{orange},
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    69
%    showstringspaces=false,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    70
%    breaklines=true,
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    71
%    postbreak = \space\dots
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    72
% }
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    73
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    74
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    75
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    76
% Title page
285
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
    77
\title[Matrices \& Curve Fitting]{Python for Science and Engg: Matrices \& Least Square Fit}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    78
141
fccf675946bf Made usage of FOSSEE consistent; removed all instances of Team, Group.
Puneeth Chaganti <punchagan@fossee.in>
parents: 131
diff changeset
    79
\author[FOSSEE] {FOSSEE}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    80
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    81
\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
378
2299700a8b97 Updated dates and session nos.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 373
diff changeset
    82
\date[] {08 March, 2010\\Day 1, Session 4}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    83
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    84
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    85
%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    86
%\logo{\pgfuseimage{iitmlogo}}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    87
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    88
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    89
%% Delete this, if you do not want the table of contents to pop up at
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    90
%% the beginning of each subsection:
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    91
\AtBeginSubsection[]
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    92
{
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    93
  \begin{frame}<beamer>
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    94
    \frametitle{Outline}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    95
    \tableofcontents[currentsection,currentsubsection]
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    96
  \end{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    97
}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
    98
213
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
    99
\AtBeginSection[]
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   100
{
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   101
  \begin{frame}<beamer>
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   102
    \frametitle{Outline}
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   103
    \tableofcontents[currentsection,currentsubsection]
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   104
  \end{frame}
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   105
}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   106
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   107
% If you wish to uncover everything in a step-wise fashion, uncomment
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   108
% the following command: 
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   109
%\beamerdefaultoverlayspecification{<+->}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   110
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   111
%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   112
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   113
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   114
% DOCUMENT STARTS
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   115
\begin{document}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   116
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   117
\begin{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   118
  \titlepage
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   119
\end{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   120
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   121
\begin{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   122
  \frametitle{Outline}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   123
  \tableofcontents
123
d2f4053a2e85 Added first slides for ODE.
Puneeth Chaganti <punchagan@fossee.in>
parents: 118
diff changeset
   124
%  \pausesections
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   125
\end{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   126
197
8c42ffdaaeec Updated session 4 slides based on review.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 185
diff changeset
   127
\section{Matrices}
8c42ffdaaeec Updated session 4 slides based on review.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 185
diff changeset
   128
8c42ffdaaeec Updated session 4 slides based on review.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 185
diff changeset
   129
\begin{frame}
8c42ffdaaeec Updated session 4 slides based on review.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 185
diff changeset
   130
\frametitle{Matrices: Introduction}
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   131
\alert{All matrix operations are done using \kwrd{arrays}}
179
eea01ca072ff Updated session 2.tex of Day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 178
diff changeset
   132
\end{frame}
eea01ca072ff Updated session 2.tex of Day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 178
diff changeset
   133
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   134
\begin{frame}[fragile]
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   135
\frametitle{Matrices: Initializing}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   136
\begin{lstlisting}
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   137
In [23]: c = array([[11,12,13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   138
                  [21,22,23],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   139
                  [31,32,33]])
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   140
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   141
In []: c
235
8eab0fee0fc2 Updated session 4 day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 233
diff changeset
   142
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   143
array([[11, 12, 13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   144
       [21, 22, 23],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   145
       [31, 32, 33]])
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   146
\end{lstlisting}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   147
\end{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   148
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   149
\begin{frame}[fragile]
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   150
\frametitle{Initializing some special matrices}
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   151
\begin{small}
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   152
  \begin{lstlisting}
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   153
In []: ones((3,5))
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   154
Out[]: 
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   155
array([[ 1.,  1.,  1.,  1.,  1.],
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   156
       [ 1.,  1.,  1.,  1.,  1.],
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   157
       [ 1.,  1.,  1.,  1.,  1.]])
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   158
319
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   159
In []: ones_like([1, 2, 3, 4]) 
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   160
Out[]: array([1, 1, 1, 1])   
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   161
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   162
In []: identity(2)
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   163
Out[]: 
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   164
array([[ 1.,  0.],
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   165
       [ 0.,  1.]])
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   166
  \end{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   167
Also available \alert{\typ{zeros, zeros_like}}
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   168
\end{small}
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   169
\end{frame}
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   170
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   171
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   172
\begin{frame}[fragile]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   173
  \frametitle{Accessing elements}
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   174
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   175
In []: c
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   176
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   177
array([[11, 12, 13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   178
       [21, 22, 23],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   179
       [31, 32, 33]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   180
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   181
In []: c[1][2]
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   182
Out[]: 23
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   183
In []: c[1,2]
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   184
Out[]: 23
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   185
  \end{lstlisting}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   186
\end{frame}
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   187
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   188
\begin{frame}[fragile]
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   189
  \frametitle{Changing elements}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   190
  \begin{small}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   191
  \begin{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   192
In []: c[1]
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   193
Out[]: array([21, 22, 23])
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   194
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   195
In []: c[1,1] = -22
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   196
In []: c
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   197
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   198
array([[ 11,  12,  13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   199
       [ 21, -22,  23],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   200
       [ 31,  32,  33]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   201
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   202
In []: c[1] = 0
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   203
In []: c
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   204
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   205
array([[11, 12, 13],
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   206
       [ 0,  0,  0],
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   207
       [31, 32, 33]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   208
  \end{lstlisting}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   209
  \end{small}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   210
How to access one \alert{column}?
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   211
\end{frame}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   212
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   213
\begin{frame}[fragile]
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   214
  \frametitle{Slicing}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   215
\begin{small}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   216
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   217
In []: c[:,1]
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   218
Out[]: array([12,  0, 32])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   219
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   220
In []: c[1,:]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   221
Out[]: array([0, 0, 0])
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   222
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   223
In []: c[0:2,:]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   224
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   225
array([[11, 12, 13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   226
       [ 0,  0,  0]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   227
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   228
In []: c[1:3,:]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   229
Out[]: 
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   230
array([[ 0,  0,  0],
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   231
       [31, 32, 33]])
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   232
  \end{lstlisting}
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   233
\end{small}
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   234
\end{frame}
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   235
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   236
\begin{frame}[fragile]
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   237
  \frametitle{Slicing \ldots}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   238
\begin{small}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   239
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   240
In []: c[:2,:]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   241
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   242
array([[11, 12, 13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   243
       [ 0,  0,  0]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   244
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   245
In []: c[1:,:]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   246
Out[]: 
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   247
array([[ 0,  0,  0],
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   248
       [31, 32, 33]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   249
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   250
In []: c[1:,:2]
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   251
Out[]: 
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   252
array([[ 0,  0],
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   253
       [31, 32]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   254
  \end{lstlisting}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   255
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   256
\end{small}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   257
\end{frame}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   258
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   259
\begin{frame}[fragile]
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   260
  \frametitle{Striding}
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   261
  \begin{small}
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   262
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   263
In []: c[::2,:]
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   264
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   265
array([[11, 12, 13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   266
       [31, 32, 33]])
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   267
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   268
In []: c[:,::2]
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   269
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   270
array([[11, 13],
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   271
       [ 0,  0],
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   272
       [31, 33]])
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   273
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   274
In []: c[::2,::2]
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   275
Out[]: 
361
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   276
array([[11, 13],
a1ee950f3d6d Fixed few more errors found during REC workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   277
       [31, 33]])
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   278
  \end{lstlisting}
279
e7ce6f9d7e15 Added Striding in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 278
diff changeset
   279
  \end{small}
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   280
\end{frame}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   281
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   282
\begin{frame}[fragile]
373
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   283
  \frametitle{Shape of a matrix}
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   284
  \begin{lstlisting}
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   285
In []: c
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   286
Out[]: 
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   287
array([[11, 12, 13],
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   288
       [ 0,  0,  0],
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   289
       [31, 32, 33]])
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   290
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   291
In []: c.shape
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   292
Out[]: (3, 3)
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   293
  \end{lstlisting}
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   294
\emphbar{Shape specifies shape or dimensions of a matrix}
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   295
\end{frame}
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   296
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   297
\begin{frame}[fragile]
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   298
  \frametitle{Elementary image processing}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   299
\begin{small}
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   300
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   301
In []: a = imread('lena.png')
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   302
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   303
In []: imshow(a)
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   304
Out[]: <matplotlib.image.AxesImage object at 0xa0384cc>
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   305
  \end{lstlisting}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   306
  \end{small}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   307
\typ{imread} returns an array of shape (512, 512, 4) which represents an image of 512x512 pixels and 4 shades.\\
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   308
\typ{imshow} renders the array as an image.
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   309
\end{frame}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   310
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   311
\begin{frame}[fragile]
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   312
\frametitle{Slicing \& Striding Exercises}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   313
  \begin{itemize}
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   314
  \item Crop the image to get the top-left quarter
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   315
  \item Crop the image to get only the face
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   316
  \item Resize image to half by dropping alternate pixels
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   317
  \end{itemize}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   318
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   319
\end{frame}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   320
\begin{frame}[fragile]
285
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   321
  \frametitle{Solutions}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   322
\begin{small}
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   323
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   324
In []: imshow(a[:256,:256])
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   325
Out[]: <matplotlib.image.AxesImage object at 0xb6f658c>
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   326
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   327
In []: imshow(a[200:400,200:400])
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   328
Out[]: <matplotlib.image.AxesImage object at 0xb757c2c>
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   329
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   330
In []: imshow(a[::2,::2])
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   331
Out[]: <matplotlib.image.AxesImage object at 0xb765c8c>
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   332
  \end{lstlisting}
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   333
\end{small}
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   334
\end{frame}
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   335
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   336
\begin{frame}[fragile]
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   337
\frametitle{Transpose of a Matrix}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   338
\begin{lstlisting}
330
46533051b9d3 commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents: 319
diff changeset
   339
In []: a = array([[ 1,  1,  2, -1],
46533051b9d3 commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents: 319
diff changeset
   340
  ...:            [ 2,  5, -1, -9],
46533051b9d3 commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents: 319
diff changeset
   341
  ...:            [ 2,  1, -1,  3],
46533051b9d3 commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents: 319
diff changeset
   342
  ...:            [ 1, -3,  2,  7]])
46533051b9d3 commited changes made for scipy and cheatsheats.
Shantanu <shantanu@fossee.in>
parents: 319
diff changeset
   343
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   344
In []: a.T
235
8eab0fee0fc2 Updated session 4 day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 233
diff changeset
   345
Out[]:
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   346
array([[ 1,  2,  2,  1],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   347
       [ 1,  5,  1, -3],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   348
       [ 2, -1, -1,  2],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   349
       [-1, -9,  3,  7]])
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   350
\end{lstlisting}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   351
\end{frame}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   352
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   353
\begin{frame}[fragile]
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   354
  \frametitle{Matrix Addition}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   355
  \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   356
In []: b = array([[3,2,-1,5],
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   357
                  [2,-2,4,9],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   358
                  [-1,0.5,-1,-7],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   359
                  [9,-5,7,3]])
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   360
In []: a + b
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   361
Out[]: 
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   362
array([[  4. ,   3. ,   1. ,   4. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   363
       [  4. ,   3. ,   3. ,   0. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   364
       [  1. ,   1.5,  -2. ,  -4. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   365
       [ 10. ,  -8. ,   9. ,  10. ]])
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   366
  \end{lstlisting}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   367
\end{frame}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   368
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   369
\begin{frame}[fragile]
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   370
\frametitle{Elementwise Multiplication}
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   371
\begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   372
In []: a*b
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   373
Out[]: 
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   374
array([[  3. ,   2. ,  -2. ,  -5. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   375
       [  4. , -10. ,  -4. , -81. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   376
       [ -2. ,   0.5,   1. , -21. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   377
       [  9. ,  15. ,  14. ,  21. ]])
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   378
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   379
\end{lstlisting}
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   380
\end{frame}
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   381
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   382
\begin{frame}[fragile]
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   383
\frametitle{Matrix Multiplication}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   384
\begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   385
In []: dot(a, b)
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   386
Out[]: 
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   387
array([[ -6. ,   6. ,  -6. ,  -3. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   388
       [-64. ,  38.5, -44. ,  35. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   389
       [ 36. , -13.5,  24. ,  35. ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   390
       [ 58. , -26. ,  34. , -15. ]])
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   391
\end{lstlisting}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   392
\end{frame}
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   393
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   394
\begin{frame}[fragile]
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   395
\frametitle{Inverse of a Matrix}
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   396
\begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   397
In []: inv(a)
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   398
\end{lstlisting}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 127
diff changeset
   399
\begin{small}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   400
\begin{lstlisting}
179
eea01ca072ff Updated session 2.tex of Day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 178
diff changeset
   401
Out[]: 
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   402
array([[-0.5 ,  0.55, -0.15,  0.7 ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   403
       [ 0.75, -0.5 ,  0.5 , -0.75],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   404
       [ 0.5 , -0.15, -0.05, -0.1 ],
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   405
       [ 0.25, -0.25,  0.25, -0.25]])
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   406
\end{lstlisting}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 127
diff changeset
   407
\end{small}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   408
\end{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   409
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   410
\begin{frame}[fragile]
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   411
\frametitle{Determinant and sum of all elements}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   412
\begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   413
In []: det(a)
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   414
Out[]: 80.0
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   415
\end{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   416
  \begin{lstlisting}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   417
In []: sum(a)
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   418
Out[]: 12
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   419
  \end{lstlisting}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   420
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   421
\end{frame}
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   422
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   423
%%use S=array(X,Y)
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   424
\begin{frame}[fragile]
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   425
\frametitle{Eigenvalues and Eigen Vectors}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 127
diff changeset
   426
\begin{small}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   427
\begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   428
In []: e = array([[3,2,4],[2,0,2],[4,2,3]])
253
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   429
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   430
In []: eig(e)
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   431
Out[]: 
253
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   432
(array([-1.,  8., -1.]),
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   433
 array([[-0.74535599,  0.66666667, -0.1931126 ],
253
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   434
        [ 0.2981424 ,  0.33333333, -0.78664085],
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   435
        [ 0.59628479,  0.66666667,  0.58643303]]))
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   436
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   437
In []: eigvals(e)
253
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   438
Out[]: array([-1.,  8., -1.])
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   439
\end{lstlisting}
131
b3a78754c4a9 Minor edits to day1 session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 127
diff changeset
   440
\end{small}
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   441
\end{frame}
127
44c2f614e321 Updated Integration section in Session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 124
diff changeset
   442
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   443
%% \begin{frame}[fragile]
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   444
%% \frametitle{Computing Norms}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   445
%% \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   446
%% In []: norm(e)
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   447
%% Out[]: 8.1240384046359608
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   448
%% \end{lstlisting}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   449
%% \end{frame}
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   450
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   451
%% \begin{frame}[fragile]
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   452
%%   \frametitle{Singular Value Decomposition}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   453
%%   \begin{small}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   454
%%   \begin{lstlisting}
318
e75d3c993ed5 Corrected errata in Matrices slides.
Puneeth Chaganti <punchagan@fossee.in>
parents: 304
diff changeset
   455
%% In []: svd(e)
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   456
%% Out[]: 
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   457
%% (array(
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   458
%% [[ -6.66666667e-01,  -1.23702565e-16,   7.45355992e-01],
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   459
%%  [ -3.33333333e-01,  -8.94427191e-01,  -2.98142397e-01],
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   460
%%  [ -6.66666667e-01,   4.47213595e-01,  -5.96284794e-01]]),
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   461
%%  array([ 8.,  1.,  1.]),
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   462
%%  array([[-0.66666667, -0.33333333, -0.66666667],
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   463
%%         [-0.        ,  0.89442719, -0.4472136 ],
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   464
%%         [-0.74535599,  0.2981424 ,  0.59628479]]))
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   465
%%   \end{lstlisting}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   466
%%   \end{small}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   467
%% \inctime{15}
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   468
%% \end{frame}
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   469
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   470
\section{Least Squares Fit}
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   471
\begin{frame}[fragile]
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   472
\frametitle{$L$ vs. $T^2$ - Scatter}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   473
Linear trend visible.
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   474
\vspace{-0.1in}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   475
\begin{figure}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   476
\includegraphics[width=4in]{data/L-Tsq-points}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   477
\end{figure}
178
8a3a9d98fa84 Changed functions section and some minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 172
diff changeset
   478
\end{frame}
8a3a9d98fa84 Changed functions section and some minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 172
diff changeset
   479
8a3a9d98fa84 Changed functions section and some minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 172
diff changeset
   480
\begin{frame}[fragile]
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   481
\frametitle{$L$ vs. $T^2$ - Line}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   482
This line does not make any mathematical sense.
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   483
\vspace{-0.1in}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   484
\begin{figure}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   485
\includegraphics[width=4in]{data/L-Tsq-Line}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   486
\end{figure}
232
b9748af050c4 Updated the session 4, day 1 slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 214
diff changeset
   487
\end{frame}
127
44c2f614e321 Updated Integration section in Session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 124
diff changeset
   488
232
b9748af050c4 Updated the session 4, day 1 slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 214
diff changeset
   489
\begin{frame}[fragile]
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   490
\frametitle{$L$ vs. $T^2$ - Least Square Fit}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   491
This is what our intention is.
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   492
\vspace{-0.1in}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   493
\begin{figure}
282
b2dafce03b8d Added Slicing and Striding exercises.
Puneeth Chaganti <punchagan@fossee.in>
parents: 281
diff changeset
   494
\includegraphics[width=4in]{data/least-sq-fit}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   495
\end{figure}
232
b9748af050c4 Updated the session 4, day 1 slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 214
diff changeset
   496
\end{frame}
b9748af050c4 Updated the session 4, day 1 slides.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 214
diff changeset
   497
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   498
\begin{frame}[fragile]
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   499
\frametitle{Matrix Formulation}
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   500
\begin{itemize}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   501
\item We need to fit a line through points for the equation $T^2 = m \cdot L+c$
337
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   502
\item In matrix form, the equation can be represented as $T_{sq} = A \cdot p$, where $T_{sq}$ is
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   503
  $\begin{bmatrix}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   504
  T^2_1 \\
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   505
  T^2_2 \\
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   506
  \vdots\\
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   507
  T^2_N \\
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   508
  \end{bmatrix}$
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   509
, A is   
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   510
  $\begin{bmatrix}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   511
  L_1 & 1 \\
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   512
  L_2 & 1 \\
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   513
  \vdots & \vdots\\
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   514
  L_N & 1 \\
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   515
  \end{bmatrix}$
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   516
  and p is 
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   517
  $\begin{bmatrix}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   518
  m\\
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   519
  c\\
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   520
  \end{bmatrix}$
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   521
\item We need to find $p$ to plot the line
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   522
\end{itemize}
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   523
\end{frame}
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   524
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   525
\begin{frame}[fragile]
304
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   526
\frametitle{Getting $L$ and $T^2$}
373
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   527
%If you \alert{closed} IPython after session 2
304
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   528
\begin{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   529
In []: L = []
304
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   530
In []: t = []
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   531
In []: for line in open('pendulum.txt'):
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   532
  ....     point = line.split()
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   533
  ....     L.append(float(point[0]))
304
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   534
  ....     t.append(float(point[1]))
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   535
  ....
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   536
  ....
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   537
\end{lstlisting}
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   538
\end{frame}
319
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   539
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   540
\begin{frame}[fragile]
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   541
\frametitle{Getting $L$ and $T^2$ \dots}
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   542
\begin{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   543
In []: L = array(L)
319
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   544
In []: t = array(t)
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   545
\end{lstlisting}
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   546
\alert{\typ{In []: tsq = t*t}}
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   547
\end{frame}
304
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   548
 
c53251e506cc Updated session 4 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   549
\begin{frame}[fragile]
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   550
\frametitle{Generating $A$}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   551
\begin{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   552
In []: A = array([L, ones_like(L)])
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   553
In []: A = A.T
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   554
\end{lstlisting}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   555
%% \begin{itemize}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   556
%% \item A is also called a Van der Monde matrix
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   557
%% \item It can also be generated using \typ{vander}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   558
%% \end{itemize}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   559
%% \begin{lstlisting}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   560
%% In []: A = vander(L, 2)
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   561
%% \end{lstlisting}
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   562
\end{frame}
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   563
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   564
\begin{frame}[fragile]
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   565
\frametitle{\typ{lstsq} \ldots}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   566
\begin{itemize}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   567
\item Now use the \typ{lstsq} function
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   568
\item Along with a lot of things, it returns the least squares solution
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   569
\end{itemize}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   570
\begin{lstlisting}
319
cef948318842 Minor edits to sessions 2, 4, 6 on day1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 318
diff changeset
   571
In []: result = lstsq(A,tsq)
272
e5fc37a9ca96 Added initial slides of Slicing and Striding to session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 268
diff changeset
   572
In []: coef = result[0]
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   573
\end{lstlisting}
253
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   574
\end{frame}
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   575
e446ed7287d7 Updated session 2 and session 4 slides of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 240
diff changeset
   576
\begin{frame}[fragile]
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   577
\frametitle{Least Square Fit Line \ldots}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   578
We get the points of the line from \typ{coef}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   579
\begin{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   580
In []: Tline = coef[0]*L + coef[1]
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   581
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   582
In []: Tline.shape
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   583
\end{lstlisting}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   584
\begin{itemize}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   585
\item Now plot \typ{Tline} vs. \typ{L}, to get the Least squares fit line. 
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   586
\end{itemize}
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   587
\begin{lstlisting}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   588
In []: plot(L, Tline)
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   589
\end{lstlisting}
127
44c2f614e321 Updated Integration section in Session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 124
diff changeset
   590
\end{frame}
44c2f614e321 Updated Integration section in Session 4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 124
diff changeset
   591
285
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   592
\begin{frame}[fragile]
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   593
\frametitle{Least Squares Fit}
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   594
\vspace{-0.15in}
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   595
\begin{figure}
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   596
\includegraphics[width=4in]{data/least-sq-fit}
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   597
\end{figure}
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   598
\end{frame}
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   599
213
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   600
\section{Summary}
185
e59ab9ab1a89 Manual Merge with Mainline.
Puneeth Chaganti <punchagan@fossee.in>
parents: 179
diff changeset
   601
\begin{frame}
285
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   602
  \frametitle{What did we learn?}
185
e59ab9ab1a89 Manual Merge with Mainline.
Puneeth Chaganti <punchagan@fossee.in>
parents: 179
diff changeset
   603
  \begin{itemize}
213
ce62706cf870 Resolved conflicts manually.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 203
diff changeset
   604
  \item Matrices
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   605
    \begin{itemize}
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 286
diff changeset
   606
      \item Initializing
263
8a4a1e5aec85 Changes made for Goa workshop .
Shantanu <shantanu@fossee.in>
parents: 253
diff changeset
   607
      \item Accessing elements
285
e072cadee389 Minor edits to session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 282
diff changeset
   608
      \item Slicing and Striding
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   609
      \item Transpose
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   610
      \item Addition
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   611
      \item Multiplication
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   612
      \item Inverse of a matrix
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   613
      \item Determinant
274
34f71bdd0263 Loads of changes done.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 253
diff changeset
   614
      \item Eigenvalues and Eigen vector
277
ef9337f7048c Added example for ones_like in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 273
diff changeset
   615
      %% \item Norms
ef9337f7048c Added example for ones_like in session4.
Puneeth Chaganti <punchagan@fossee.in>
parents: 273
diff changeset
   616
      %% \item Singular Value Decomposition
214
19592f802dde Added matrix operations.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 213
diff changeset
   617
    \end{itemize}
268
f978ddc90960 Moved least square fitting to session 4; removed vander function.
Puneeth Chaganti <punchagan@fossee.in>
parents: 263
diff changeset
   618
  \item Least Square Curve fitting
185
e59ab9ab1a89 Manual Merge with Mainline.
Puneeth Chaganti <punchagan@fossee.in>
parents: 179
diff changeset
   619
  \end{itemize}
e59ab9ab1a89 Manual Merge with Mainline.
Puneeth Chaganti <punchagan@fossee.in>
parents: 179
diff changeset
   620
\end{frame}
e59ab9ab1a89 Manual Merge with Mainline.
Puneeth Chaganti <punchagan@fossee.in>
parents: 179
diff changeset
   621
118
c7f85ba59af3 Added session4.tex.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents:
diff changeset
   622
\end{document}
343
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   623
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   624
%% Questions for Quiz %%
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   625
%% ------------------ %%
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   626
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   627
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   628
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   629
\begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   630
In []: a = array([[1, 2],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   631
                  [3, 4]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   632
In []: a[1,0] = 0
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   633
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   634
What is the resulting array?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   635
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   636
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   637
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   638
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   639
\begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   640
  In []: x = array(([1,2,3,4],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   641
                    [2,3,4,5]))
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   642
  In []: x[-2][-3] = 4
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   643
  In []: print x
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   644
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   645
What will be printed?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   646
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   647
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   648
%% \begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   649
%% \frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   650
%% \begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   651
%%   In []: x = array([[1,2,3,4],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   652
%%                     [3,4,2,5]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   653
%% \end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   654
%% What is the \lstinline+shape+ of this array?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   655
%% \end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   656
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   657
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   658
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   659
\begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   660
  In []: x = array([[1,2,3,4]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   661
\end{lstlisting}
354
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   662
How to change \lstinline+x+ to \lstinline+array([[1,2,0,4]])+?
343
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   663
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   664
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   665
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   666
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   667
\begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   668
  In []: x = array([[1,2,3,4],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   669
                    [3,4,2,5]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   670
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   671
How do you get the following slice of \lstinline+x+?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   672
\begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   673
array([[2,3],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   674
       [4,2]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   675
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   676
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   677
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   678
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   679
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   680
\begin{lstlisting}
354
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   681
  In []: x = array([[9,18,27],
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   682
                    [30,60,90],
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   683
                    [14,7,1]])
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   684
\end{lstlisting}
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   685
What is the output of \lstinline+x[::3,::3]+
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   686
\end{frame}
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   687
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   688
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   689
\begin{frame}[fragile]
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   690
\frametitle{\incqno }
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   691
\begin{lstlisting}
343
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   692
In []: a = array([[1, 2],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   693
                  [3, 4]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   694
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   695
How do you get the transpose of this array?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   696
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   697
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   698
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   699
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   700
\begin{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   701
In []: a = array([[1, 2],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   702
                  [3, 4]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   703
In []: b = array([[1, 1],
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   704
                  [2, 2]])
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   705
In []: a*b
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   706
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   707
What does this produce?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   708
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   709
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   710
\begin{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   711
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   712
What command do you use to find the inverse of a matrix and its
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   713
eigenvalues?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   714
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   715
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   716
%% \begin{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   717
%% \frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   718
%% The file \lstinline+datafile.txt+ contains 3 columns of data.  What
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   719
%% command will you use to read the entire data file into an array?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   720
%% \end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   721
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   722
%% \begin{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   723
%% \frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   724
%% If the contents of the file \lstinline+datafile.txt+ is read into an
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   725
%% $N\times3$ array called \lstinline+data+, how would you obtain the third
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   726
%% column of this data?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   727
%% \end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 339
diff changeset
   728