day1/session1.tex
author Puneeth Chaganti <punchagan@gmail.com>
Thu, 09 Dec 2010 14:34:40 +0530
branchscipyin2010
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Updated day1/session1.tex and some image files.
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%Tutorial slides on Python.
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%
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% Author: FOSSEE 
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% Copyright (c) 2009, FOSSEE, IIT Bombay
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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\documentclass[14pt,compress]{beamer}
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%\documentclass[draft]{beamer}
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%\documentclass[compress,handout]{beamer}
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%\usepackage{pgfpages} 
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%\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]
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% Modified from: generic-ornate-15min-45min.de.tex
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\mode<presentation>
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{
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  \usetheme{Warsaw}
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  \useoutertheme{infolines}
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  \setbeamercovered{transparent}
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}
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\usepackage[english]{babel}
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\usepackage[latin1]{inputenc}
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%\usepackage{times}
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\usepackage[T1]{fontenc}
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% Taken from Fernando's slides.
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\usepackage{ae,aecompl}
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\usepackage{mathpazo,courier,euler}
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\usepackage[scaled=.95]{helvet}
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\definecolor{darkgreen}{rgb}{0,0.5,0}
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\usepackage{listings}
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\lstset{language=Python,
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    basicstyle=\ttfamily\bfseries,
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    commentstyle=\color{red}\itshape,
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  stringstyle=\color{darkgreen},
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  showstringspaces=false,
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  keywordstyle=\color{blue}\bfseries}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Macros
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\setbeamercolor{emphbar}{bg=blue!20, fg=black}
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\newcommand{\emphbar}[1]
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{\begin{beamercolorbox}[rounded=true]{emphbar} 
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      {#1}
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 \end{beamercolorbox}
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}
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\newcounter{time}
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\setcounter{time}{0}
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\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
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\newcommand{\typ}[1]{\lstinline{#1}}
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\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
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%%% This is from Fernando's setup.
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% \usepackage{color}
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% \definecolor{orange}{cmyk}{0,0.4,0.8,0.2}
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% % Use and configure listings package for nicely formatted code
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% \usepackage{listings}
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% \lstset{
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%    language=Python,
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%    basicstyle=\small\ttfamily,
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%    commentstyle=\ttfamily\color{blue},
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%    stringstyle=\ttfamily\color{orange},
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%    showstringspaces=false,
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%    breaklines=true,
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%    postbreak = \space\dots
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% }
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Title page
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\title[Interactive Plotting]{Python for Science and Engg: Interactive Plotting}
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\author[FOSSEE group] {FOSSEE}
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\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
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\date[] {SciPy.in 2010, Tutorials}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}
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%\logo{\pgfuseimage{iitmlogo}}
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%% Delete this, if you do not want the table of contents to pop up at
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%% the beginning of each subsection:
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\AtBeginSubsection[]
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{
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  \begin{frame}<beamer>
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    \frametitle{Outline}
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    \tableofcontents[currentsection,currentsubsection]
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  \end{frame}
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}
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\AtBeginSection[]
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{
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  \begin{frame}<beamer>
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    \frametitle{Outline}
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    \tableofcontents[currentsection,currentsubsection]
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  \end{frame}
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}
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% If you wish to uncover everything in a step-wise fashion, uncomment
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% the following command: 
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%\beamerdefaultoverlayspecification{<+->}
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%%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% DOCUMENT STARTS
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\begin{document}
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\begin{frame}
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  \maketitle
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\end{frame}
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%% \begin{frame}
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%%   \frametitle{Outline}
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%%   \tableofcontents
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%%   % You might wish to add the option [pausesections]
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%% \end{frame}
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\section{Checklist}
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\begin{frame}
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\frametitle{Checklist}
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  \begin{enumerate}
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    \item IPython
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    \item Editor - we recommend \alert{scite}
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    \item Data files: 
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      \begin{itemize}
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      \item \typ{anag.txt}
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      \item \typ{holmes.txt}
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      \item \typ{pendulum.txt}
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      \item \typ{pos.txt}
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      \item \typ{sslc1.txt}
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      \end{itemize}
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    \item Python scripts: 
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      \begin{itemize}
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      \item \typ{sslc_allreg.py}
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      \item \typ{sslc_science.py}
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      \end{itemize}
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    \item Images
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      \begin{itemize}
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      \item \typ{lena.png}
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      \item \typ{smoothing.gif}
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      \end{itemize}
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  \end{enumerate}
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\end{frame}
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\section{Starting up IPython}
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\begin{frame}[fragile]
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\frametitle{Starting up \ldots}
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\begin{block}{}
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\begin{lstlisting}
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  $ ipython -pylab
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\end{lstlisting} %$
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\end{block}
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\begin{lstlisting}     
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  In []: print "Hello, World!"
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  Hello, World!
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\end{lstlisting}
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Exiting
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\begin{lstlisting}
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  In []: ^D(Ctrl-D)
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  Do you really want to exit([y]/n)? y
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\end{lstlisting}
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\end{frame}
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\section{Plotting}
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\subsection{Drawing plots}
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\begin{frame}[fragile]
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\frametitle{First Plot}
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\begin{columns}
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    \column{0.25\textwidth}
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    \hspace*{-0.5in}
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  \includegraphics[height=2in, interpolate=true]{data/firstplot}
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    \column{0.8\textwidth}
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    \begin{block}{}
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    \begin{small}
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\begin{lstlisting}
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In []: x = linspace(0, 2*pi, 50)
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In []: plot(x, sin(x))
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\end{lstlisting}
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    \end{small}
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    \end{block}
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\end{columns}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Walkthrough}
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\begin{block}{\typ{x = linspace(start, stop, num)} }
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returns \typ{num} evenly spaced points, in the interval [\typ{start}, \typ{stop}].
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\end{block}
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\begin{lstlisting}
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x[0] = start
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x[num - 1] = end
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\end{lstlisting}
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\vspace*{.35in}
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\begin{block}{\typ{plot(x, y)}}
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plots \typ{x} and \typ{y} using default line style and color
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\end{block}
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%\inctime{10}
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\end{frame}
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\subsection{Decoration}
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\begin{frame}[fragile]
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\frametitle{Adding Labels}
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\begin{columns}
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  \column{0.25\textwidth}
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  \hspace*{-0.45in}
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  \includegraphics[height=2in, interpolate=true]{data/label}  
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  \hspace*{0.5in}
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  \column{0.55\textwidth}
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  \begin{block}{}
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  \small
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  \begin{lstlisting}
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In []: xlabel('x')
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110
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In []: ylabel('sin(x)')
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  \end{lstlisting}
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  \small
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%  \end{lstlisting}
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%\typ{xlabel(s)} sets the label of the \typ{x}-axis to \typ{s}
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%  \begin{lstlisting}
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  \end{block}
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%\typ{ylabel(s)} sets the label of the \typ{y}-axis to \typ{s}
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\end{columns}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Another example}
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  \begin{lstlisting}
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In []: clf()
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  \end{lstlisting}
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\emphbar{Clears the plot area.}
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  \begin{lstlisting}
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In []: y = linspace(0, 2*pi, 50)
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In []: plot(y, sin(2*y))
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In []: xlabel('y')
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In []: ylabel('sin(2y)')
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  \end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Title}
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\vspace*{-0.15in}
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%  \begin{block}{}
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%  \small
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\begin{lstlisting}
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In []: title('Sinusoids')
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\end{lstlisting}
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%  \small
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%  \end{block}
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  \vspace*{-0.1in}
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  \begin{center}
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  \includegraphics[height=2in, interpolate=true]{data/title}  
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  \end{center}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Saving \& Closing}
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\begin{lstlisting}
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In []: savefig('sin.png')
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In []: close()
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\end{lstlisting}
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Supported formats to store images:
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\begin{itemize}
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\item png
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\item eps - Easy to embed in LaTeX files
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\item emf
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\item pdf
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\item ps
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\item raw
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\item rgba
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\item svg
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\end{itemize}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{IPython tips \ldots}
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\begin{itemize}
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    \item Use \typ{TAB} to complete command 
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\end{itemize}
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        \vspace*{0.5in}
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        {\Large \structure{History}}
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\begin{itemize}
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    \item Accesses history (also from past sessions)
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    \item Up and down arrows (\typ{Ctrl-p}/\typ{Ctrl-n})
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\end{itemize}
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\end{frame}
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\section{Multiple plots}
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\begin{frame}[fragile]
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\frametitle{Overlaid Plots}
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\begin{lstlisting}
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In []: clf()
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In []: plot(y, sin(y))
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In []: plot(y, cos(y))
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In []: xlabel('y')
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In []: ylabel('f(y)')
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\end{lstlisting}
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\emphbar{By default plots would be overlaid!}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Legend}
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\vspace*{-0.15in}
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%  \begin{block}{}
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%  \small
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\begin{lstlisting}
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In []: legend(['sin(y)', 'cos(y)']) 
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\end{lstlisting}
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%  \small
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%  \end{block}
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  \vspace*{-0.1in}
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  \begin{center}
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  \includegraphics[height=2in, interpolate=true]{data/legend}  
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  \end{center}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Legend Placement}
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\begin{block}{}
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    \small
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\begin{lstlisting}
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In []: legend(['sin(y)', 'cos(y)'], loc='center')
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\end{lstlisting}
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\end{block}
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\begin{columns}
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    \column{0.6\textwidth}
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 \includegraphics[height=2in, interpolate=true]{data/position}  
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\column{0.45\textwidth}
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\vspace{-0.2in}
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\begin{lstlisting}
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'best' 
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'right'
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'center'
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\end{lstlisting}
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\end{columns}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Plotting separate figures}
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\begin{lstlisting}
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In []: clf()
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In []: figure(1)
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In []: plot(y, sin(y))
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In []: figure(2)
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In []: plot(y, cos(y))
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In []: savefig('cosine.png')
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In []: figure(1)
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In []: title('sin(y)')
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In []: savefig('sine.png')
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In []: close()
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In []: close()
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\end{lstlisting}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Showing it better}
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\vspace{-0.15in}
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\begin{lstlisting}
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In []: plot(y, cos(y), 'r')
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In []: clf()
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In []: plot(y, sin(y), 'g', linewidth=2)
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\end{lstlisting}
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\vspace*{-0.2in}
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\begin{center}
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  \includegraphics[height=2.2in, interpolate=true]{data/green}  
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\end{center}
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%\inctime{10}
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\end{frame}
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\begin{frame}[fragile]
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\frametitle{Annotating}
140
fe6a38572a65 Added changes suggested by PR for session 1 day 1.
Shantanu <shantanu@fossee.in>
parents: 138
diff changeset
   386
\vspace*{-0.15in}
110
220ac08e67b5 Added Legend placement and Annotating.
Puneeth Chaganti <punchagan@fossee.in>
parents: 107
diff changeset
   387
\begin{lstlisting}
264
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   388
In []: annotate('local max', xy=(1.5, 1))
110
220ac08e67b5 Added Legend placement and Annotating.
Puneeth Chaganti <punchagan@fossee.in>
parents: 107
diff changeset
   389
\end{lstlisting}
140
fe6a38572a65 Added changes suggested by PR for session 1 day 1.
Shantanu <shantanu@fossee.in>
parents: 138
diff changeset
   390
\vspace*{-0.2in}
fe6a38572a65 Added changes suggested by PR for session 1 day 1.
Shantanu <shantanu@fossee.in>
parents: 138
diff changeset
   391
\begin{center}
fe6a38572a65 Added changes suggested by PR for session 1 day 1.
Shantanu <shantanu@fossee.in>
parents: 138
diff changeset
   392
  \includegraphics[height=2in, interpolate=true]{data/annotate}  
fe6a38572a65 Added changes suggested by PR for session 1 day 1.
Shantanu <shantanu@fossee.in>
parents: 138
diff changeset
   393
\end{center}
110
220ac08e67b5 Added Legend placement and Annotating.
Puneeth Chaganti <punchagan@fossee.in>
parents: 107
diff changeset
   394
\end{frame}
220ac08e67b5 Added Legend placement and Annotating.
Puneeth Chaganti <punchagan@fossee.in>
parents: 107
diff changeset
   395
220ac08e67b5 Added Legend placement and Annotating.
Puneeth Chaganti <punchagan@fossee.in>
parents: 107
diff changeset
   396
\begin{frame}[fragile]
381
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   397
\frametitle{Axes lengths}
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   398
\emphbar{Getting axes lengths}
107
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   399
  \begin{lstlisting}
381
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   400
In []: xmin, xmax = xlim() 
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   401
In []: ymin, ymax = ylim() 
427
66d296ff31b9 Minor changes to session1.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 426
diff changeset
   402
In []: print xmin, xmax 
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   403
  \end{lstlisting}
381
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   404
\emphbar{Set the axes limits}
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   405
  \begin{lstlisting}
381
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   406
In []: xlim(xmin, 2*pi )
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   407
In []: ylim(ymin-0.2, ymax+0.2)
107
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   408
  \end{lstlisting}
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   409
\end{frame}
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   410
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   411
\begin{frame}[fragile]
387
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   412
  \frametitle{Axes lengths}
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   413
  \begin{center}
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   414
    \includegraphics[height=3in, interpolate=true]{data/limits}
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   415
  \end{center}
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   416
\end{frame}
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   417
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   418
\begin{frame}[fragile]
407
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   419
\frametitle{IPython tips \ldots}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   420
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   421
\begin{itemize}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   422
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   423
    \item Try:
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   424
\begin{lstlisting}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   425
In []: plot?
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   426
\end{lstlisting}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   427
        to get more information on \typ{plot} 
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   428
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   429
        \vspace*{0.5in}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   430
    \item Try: 
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   431
\begin{lstlisting}
413
984d8a3394cc Minor edits. Reorder dependency files so easier to eyeball with ls output. Fix typo for showing source in ipython.
Christopher Burns <chris.d.burns@gmail.com>
parents: 407
diff changeset
   432
In []: plot??
407
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   433
\end{lstlisting}
413
984d8a3394cc Minor edits. Reorder dependency files so easier to eyeball with ls output. Fix typo for showing source in ipython.
Christopher Burns <chris.d.burns@gmail.com>
parents: 407
diff changeset
   434
    to see the source code for \typ{plot}
407
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   435
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   436
\end{itemize}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   437
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   438
\end{frame}
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   439
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   440
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   441
\begin{frame}[fragile]
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   442
\frametitle{Review Problem}
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   443
\begin{enumerate}
171
29c0c504750c Added some changes suggested during the review.
Shantanu <shantanu@fossee.in>
parents: 147
diff changeset
   444
\item Plot x, -x, sin(x), xsin(x) in range $-5\pi$ to $5\pi$
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   445
\item Add a legend
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   446
\item Annotate the origin
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   447
\item Set axes limits to the range of x
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   448
\end{enumerate}
337
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   449
\vspace*{-0.1in}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   450
\begin{center}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   451
  \includegraphics[height=2.1in, interpolate=true]{data/four_plot}  
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   452
\end{center}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   453
\end{frame}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   454
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   455
\begin{frame}[fragile]
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   456
\frametitle{Review Problem \ldots}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   457
\alert{Plotting \ldots}
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   458
\begin{lstlisting}
414
68ef3dced7a0 Add whitespace to assignment.
Christopher Burns <chris.d.burns@gmail.com>
parents: 413
diff changeset
   459
In []: x = linspace(-5*pi, 5*pi, 500)
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   460
In []: plot(x, x, 'b')
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   461
In []: plot(x, -x, 'b')
337
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   462
In []: plot(x, sin(x), 'g', linewidth=2)
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   463
In []: plot(x, x*sin(x), 'r', 
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   464
            linewidth=3)
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   465
\end{lstlisting}
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   466
$\vdots$
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   467
\end{frame}
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   468
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   469
\begin{frame}[fragile]
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   470
\frametitle{Review Problem \ldots}
337
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   471
\alert{Legend \& Annotation\ldots}
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   472
\begin{lstlisting}
264
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   473
In []: legend(['x', '-x', 'sin(x)', 
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   474
               'xsin(x)'])
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   475
In []: annotate('origin', xy = (0, 0))
337
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   476
\end{lstlisting}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   477
\alert{Setting Axes limits\ldots}
56aa2efbf7d9 Changes at scipy.in
Puneeth Chaganti <punchagan@fossee.in>
parents: 330
diff changeset
   478
\begin{lstlisting}
264
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   479
In []: xlim(-5*pi, 5*pi)
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   480
In []: ylim(-5*pi, 5*pi)
147
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   481
\end{lstlisting}
6874a667dc4e Added review at end of session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 143
diff changeset
   482
\end{frame}
264
c3a1de5b8216 Updated day1 session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 247
diff changeset
   483
280
9bed85f05eb8 Added save command in session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 279
diff changeset
   484
\begin{frame}[fragile]
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   485
\frametitle{Command History}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   486
Use the \typ{\%hist} \alert{magic} command of IPython 
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   487
\typ{In []: \%hist}\\
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   488
This displays all the commands typed in so far aka Command History.
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   489
\begin{block}{Careful about errors!}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   490
  \kwrd{\%hist} will contain the errors as well.\\
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   491
\end{block}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   492
\begin{block}{Magic Commands?}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   493
  Magic commands are commands provided by IPython to make our life easier.
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   494
\end{block}
280
9bed85f05eb8 Added save command in session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 279
diff changeset
   495
\end{frame}
9bed85f05eb8 Added save command in session1.
Puneeth Chaganti <punchagan@fossee.in>
parents: 279
diff changeset
   496
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   497
\begin{frame}[fragile]
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   498
  \frametitle{Saving commands into script}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   499
Use the \typ{\%save} \alert{magic} command of IPython
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   500
\begin{block}{}
381
b797cd67982b Updated changes from GRDCS.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 379
diff changeset
   501
\typ{\%save script_name line_numbers}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   502
\end{block}
415
331aaca9d779 Line numbers for history can be separated by spaces, not commas.
Christopher Burns <chris.d.burns@gmail.com>
parents: 414
diff changeset
   503
Line numbers can be specified individually separated by spaces or as a range separated by a dash.\\
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   504
\begin{block}{}
439
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   505
\typ{\%save four_plot.py} \alert{\typ{  16-18 21 25 27-32}} \\  
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   506
\end{block}
439
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   507
This saves from the history the commands entered on line numbers \alert{16, 17, 18, 21, 25, 27, 28, 29, 30, 31, 32}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   508
\end{frame}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   509
171
29c0c504750c Added some changes suggested during the review.
Shantanu <shantanu@fossee.in>
parents: 147
diff changeset
   510
\begin{frame}
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 290
diff changeset
   511
\frametitle{Python Scripts\ldots}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   512
Now, four\_plot.py is called a Python Script.
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 290
diff changeset
   513
 \begin{itemize}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   514
 \item run the script in IPython using \typ{\%run four_plot.py}\\
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 290
diff changeset
   515
 \end{itemize}
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   516
\pause
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   517
\alert{\typ{NameError: name 'linspace' is not defined}}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   518
\begin{block}{}
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   519
To avoid this, run using \alert{\typ{\%run -i four_plot.py}}\\
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   520
\end{block}
293
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 290
diff changeset
   521
\end{frame}
f7d7b5565232 Added another ODE example to session6.
Puneeth Chaganti <punchagan@fossee.in>
parents: 290
diff changeset
   522
303
26f5e864a135 Updated session 1 of day 1.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 293
diff changeset
   523
\begin{frame}[fragile]
439
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   524
\frametitle{Doing this in Sage\ldots}
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   525
 \begin{itemize}
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   526
 \item Change the language to =Python= 
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   527
 \item Make a simple plot and save it
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   528
   \begin{lstlisting}
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   529
     from pylab import *
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   530
     x = linspace(0, 2*pi, 50)
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   531
     plot(x, sin(x))
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   532
     savefig('sample-sin.png')
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   533
   \end{lstlisting}
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   534
 \end{itemize}
387
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   535
\end{frame}
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   536
5e485a5d8ac4 Minor corrections post SVCE.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 385
diff changeset
   537
\begin{frame}[fragile]
246
d054581ef4b1 Made changes to Goals and added outline slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 225
diff changeset
   538
  \frametitle{What did we learn?}
171
29c0c504750c Added some changes suggested during the review.
Shantanu <shantanu@fossee.in>
parents: 147
diff changeset
   539
  \begin{itemize}
373
f04eca8b2f3d Commits from NIT DGP and IITK
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 366
diff changeset
   540
    \item Starting up IPython
407
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   541
    \item Creating simple plots
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   542
    \item Adding labels and legends
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   543
    \item Annotating plots
246
d054581ef4b1 Made changes to Goals and added outline slides.
Madhusudan.C.S <madhusudancs@gmail.com>
parents: 225
diff changeset
   544
    \item Changing the looks: size, linewidth
407
b5d3b5ddac7b Added changes to session 1. Added some IPython tips.
Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
parents: 405
diff changeset
   545
    \item Accessing history, documentation
379
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   546
    \item \kwrd{\%hist} - History of commands
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   547
    \item \kwrd{\%save} - Saving commands 
682b6f66fe11 Updated for day1 of GRD workshop.
Santosh G. Vattam <vattam.santosh@gmail.com>
parents: 378
diff changeset
   548
    \item Running a script using \kwrd{\%run -i}
439
d85c3ed8545c Updated day1/session1.tex and some image files.
Puneeth Chaganti <punchagan@gmail.com>
parents: 427
diff changeset
   549
    \item Using \lstinline|pylab| in Sage
171
29c0c504750c Added some changes suggested during the review.
Shantanu <shantanu@fossee.in>
parents: 147
diff changeset
   550
  \end{itemize}
107
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   551
\end{frame}
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   552
647239f95c4a Added rough draft of slides and cheatsheet for Interactive Plotting.
Puneeth Chaganti <punchagan@fossee.in>
parents:
diff changeset
   553
\end{document}
140
fe6a38572a65 Added changes suggested by PR for session 1 day 1.
Shantanu <shantanu@fossee.in>
parents: 138
diff changeset
   554
343
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   555
%% Questions for Quiz %%
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   556
%% ------------------ %%
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   557
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   558
\begin{frame}[fragile]
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   559
\frametitle{\incqno }
352
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   560
Draw (roughly) the plot obtained by the following:
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   561
\begin{lstlisting}
358
162e3e453920 Added files to be circulated during workshops.
Puneeth Chaganti <punchagan@fossee.in>
parents: 354
diff changeset
   562
In []: x = linspace(0, pi, 3)
352
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   563
In []: plot(x, sin(x))
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   564
\end{lstlisting}
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   565
\end{frame}
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   566
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   567
\begin{frame}[fragile]
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   568
\frametitle{\incqno }
343
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   569
Describe the plot produced by the following:
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   570
\begin{lstlisting}
352
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   571
In []: x = linspace(0, 2*pi, 50)
343
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   572
In []: plot(x, cos(x), 'go')
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   573
\end{lstlisting}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   574
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   575
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   576
\begin{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   577
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   578
How will you plot the previous graph with line width set to 3?  How will
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   579
you set the $x$ and $y$ labels of the plot?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   580
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   581
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   582
\begin{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   583
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   584
How will you set the x and y axis limits so that the region of interest
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   585
is in the rectangle $(0, -1.5)$ (left bottom coordinate) and $(2\pi,
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   586
1.5)$ (right top coordinate)?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   587
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   588
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   589
\begin{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   590
\frametitle{\incqno }
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   591
What ipython magic command do you use to obtain the lines of code you have already typed in the interpreter? What command do you use to save them?
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   592
\end{frame}
adb85e126341 Moved all day1 quiz questions to end of day1-sessions.
Puneeth Chaganti <punchagan@fossee.in>
parents: 342
diff changeset
   593
354
5dc6c3673f9d Changes made during REC Chennai workshop.
Puneeth Chaganti <punchagan@fossee.in>
parents: 352
diff changeset
   594
\begin{frame}[fragile]
352
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   595
\frametitle{\incqno }
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   596
The following code snippet has an error/bug:
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   597
\begin{lstlisting}
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   598
In []: y = linspace(0, 2*pi, 50)
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   599
In []: plot(y, sin(y))
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   600
In []: clf()
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   601
In []: plot(y, cos(y))
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   602
In []: legend(['sin(y)', 'cos(y)']) 
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   603
\end{lstlisting}
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   604
What is the error? How do you fix it?  
b44d7bcc6609 Added a few quiz questions; Minor edits.
Puneeth Chaganti <punchagan@fossee.in>
parents: 343
diff changeset
   605
\end{frame}