
diff -r 88a01948450d -r d33698326409 accessing-pieces-arrays/slides.tex
--- a/accessing-pieces-arrays/slides.tex	Wed Nov 17 23:24:57 2010 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,214 +0,0 @@
-% Created 2010-11-02 Tue 17:47
-\documentclass[presentation]{beamer}
-\usepackage[latin1]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{fixltx2e}
-\usepackage{graphicx}
-\usepackage{longtable}
-\usepackage{float}
-\usepackage{wrapfig}
-\usepackage{soul}
-\usepackage{textcomp}
-\usepackage{marvosym}
-\usepackage{wasysym}
-\usepackage{latexsym}
-\usepackage{amssymb}
-\usepackage{hyperref}
-\tolerance=1000
-\usepackage[english]{babel} \usepackage{ae,aecompl}
-\usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}
-\usepackage{listings}
-\lstset{language=Python, basicstyle=\ttfamily\bfseries,
-commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},
-showstringspaces=false, keywordstyle=\color{blue}\bfseries}
-\providecommand{\alert}[1]{\textbf{#1}}
-
-\title{Accessing parts of arrays}
-\author{FOSSEE}
-\date{}
-
-\usetheme{Antibes}\usecolortheme{lily}\useoutertheme{infolines}\setbeamercovered{transparent}
-\begin{document}
-
-\maketitle
-
-
-
-
-
-
-
-
-
-\begin{frame}
-\frametitle{Outline}
-\label{sec-1}
-
-\begin{itemize}
-\item Manipulating one and multi dimensional arrays
-\item Access and change individual elements
-\item Access and change rows and columns
-\item Slicing and striding on arrays to access chunks
-\item Read images into arrays and manipulations
-\end{itemize}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Sample Arrays}
-\label{sec-2}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []: A = array([12, 23, 34, 45, 56])
-
-In []: C = array([[11, 12, 13, 14, 15],
-                  [21, 22, 23, 24, 25],
-                  [31, 32, 33, 34, 35],
-                  [41, 42, 43, 44, 45],
-                  [51, 52, 53, 54, 55]])
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{Question 1}
-\label{sec-3}
-
-  Change the last column of \texttt{C} to zeroes. 
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 1}
-\label{sec-4}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []:  C[:, -1] = 0
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{Question 2}
-\label{sec-5}
-
-  Change \texttt{A} to \texttt{[11, 12, 13, 14, 15]}. 
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 2}
-\label{sec-6}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []:  A[:] = [11, 12, 13, 14, 15]
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{squares.png}
-\label{sec-7}
-
-    \begin{center}
-      \includegraphics[scale=0.6]{squares}    
-    \end{center}
-\end{frame}
-\begin{frame}
-\frametitle{Question 3}
-\label{sec-8}
-
-\begin{itemize}
-\item obtain \texttt{[22, 23]} from \texttt{C}.
-\item obtain \texttt{[11, 21, 31, 41]} from \texttt{C}.
-\item obtain \texttt{[21, 31, 41, 0]}.
-\end{itemize}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 3}
-\label{sec-9}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []:  C[1, 1:3]
-In []:  C[0:4, 0]
-In []:  C[1:5, 0]
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{Question 4}
-\label{sec-10}
-
-  Obtain \texttt{[[23, 24], [33, -34]]} from \texttt{C}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 4}
-\label{sec-11}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []:  C[1:3, 2:4]
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{Question 5}
-\label{sec-12}
-
-  Obtain the square in the center of the image
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 5}
-\label{sec-13}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []: imshow(I[75:225, 75:225])
-\end{lstlisting}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Question 6}
-\label{sec-14}
-
-  Obtain the following
-\lstset{language=Python}
-\begin{lstlisting}
-[[12, 0], [42, 0]]
-[[12, 13, 14], [0, 0, 0]]
-\end{lstlisting}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Solution 6}
-\label{sec-15}
-
-\lstset{language=Python}
-\begin{lstlisting}
-In []: C[::3, 1::3]
-In []: C[::4, 1:4]
-\end{lstlisting}
-\end{frame}
-\begin{frame}
-\frametitle{Summary}
-\label{sec-16}
-
-  You should now be able to --
-\begin{itemize}
-\item Manipulate single \& multi dimensional arrays
-
-\begin{itemize}
-\item Access and change individual elements
-\item Access and change rows and columns
-\item Slice and stride on arrays
-\end{itemize}
-
-\item Read images into arrays and manipulate them.
-\end{itemize}
-\end{frame}
-\begin{frame}
-\frametitle{Thank you!}
-\label{sec-17}
-
-  \begin{block}{}
-  \begin{center}
-  This spoken tutorial has been produced by the
-  \textcolor{blue}{FOSSEE} team, which is funded by the 
-  \end{center}
-  \begin{center}
-    \textcolor{blue}{National Mission on Education through \\
-      Information \& Communication Technology \\ 
-      MHRD, Govt. of India}.
-  \end{center}  
-  \end{block}
-\end{frame}
-
-\end{document}




