presentations/functions.tex
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     1 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
       
     2 %Tutorial slides on Python.
       
     3 %
       
     4 % Author: FOSSEE 
       
     5 % Copyright (c) 2009, FOSSEE, IIT Bombay
       
     6 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
       
     7 
       
     8 \documentclass[14pt,compress]{beamer}
       
     9 %\documentclass[draft]{beamer}
       
    10 %\documentclass[compress,handout]{beamer}
       
    11 %\usepackage{pgfpages} 
       
    12 %\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm]
       
    13 
       
    14 % Modified from: generic-ornate-15min-45min.de.tex
       
    15 \mode<presentation>
       
    16 {
       
    17   \usetheme{Warsaw}
       
    18   \useoutertheme{infolines}
       
    19   \setbeamercovered{transparent}
       
    20 }
       
    21 
       
    22 \usepackage[english]{babel}
       
    23 \usepackage[latin1]{inputenc}
       
    24 %\usepackage{times}
       
    25 \usepackage[T1]{fontenc}
       
    26 
       
    27 % Taken from Fernando's slides.
       
    28 \usepackage{ae,aecompl}
       
    29 \usepackage{mathpazo,courier,euler}
       
    30 \usepackage[scaled=.95]{helvet}
       
    31 
       
    32 \definecolor{darkgreen}{rgb}{0,0.5,0}
       
    33 
       
    34 \usepackage{listings}
       
    35 \lstset{language=Python,
       
    36     basicstyle=\ttfamily\bfseries,
       
    37     commentstyle=\color{red}\itshape,
       
    38   stringstyle=\color{darkgreen},
       
    39   showstringspaces=false,
       
    40   keywordstyle=\color{blue}\bfseries}
       
    41 
       
    42 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
       
    43 % Macros
       
    44 \setbeamercolor{emphbar}{bg=blue!20, fg=black}
       
    45 \newcommand{\emphbar}[1]
       
    46 {\begin{beamercolorbox}[rounded=true]{emphbar} 
       
    47       {#1}
       
    48  \end{beamercolorbox}
       
    49 }
       
    50 \newcounter{time}
       
    51 \setcounter{time}{0}
       
    52 \newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
       
    53 
       
    54 \newcommand{\typ}[1]{\lstinline{#1}}
       
    55 
       
    56 \newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
       
    57 
       
    58 % Title page
       
    59 \title{Python for Scientific Computing : Functions}
       
    60 
       
    61 \author[FOSSEE] {FOSSEE}
       
    62 
       
    63 \institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
       
    64 \date{}
       
    65 
       
    66 % DOCUMENT STARTS
       
    67 \begin{document}
       
    68 
       
    69 \begin{frame}
       
    70   \titlepage
       
    71 \end{frame}
       
    72 
       
    73 \begin{frame}
       
    74   \frametitle{About the Session}
       
    75   \begin{block}{Functions in Python}
       
    76     \begin{itemize}
       
    77     \item Function definition
       
    78     \item Function call
       
    79     \end{itemize}
       
    80   \end{block}
       
    81 \end{frame}
       
    82 
       
    83 \begin{frame}[fragile]
       
    84   \frametitle{Functions: default arguments}
       
    85   \begin{lstlisting}
       
    86 In []: greet = 'hello world'
       
    87 
       
    88 In []: greet.split()
       
    89 Out[]: ['hello', 'world']
       
    90 
       
    91 In []: line = 'Rossum, Guido, 54, 46, 55'
       
    92 
       
    93 In []: line.split(',')
       
    94 Out[]: ['Rossum', ' Guido', ' 54',
       
    95                         ' 46', ' 55']
       
    96   \end{lstlisting}
       
    97 \end{frame}
       
    98 
       
    99 \begin{frame}[fragile]
       
   100   \frametitle{Functions: Keyword arguments}
       
   101 We have seen the following
       
   102 \begin{lstlisting}
       
   103 legend(['sin(2y)'], loc = 'center')
       
   104 
       
   105 plot(y, sin(y), 'g', linewidth = 2)
       
   106 
       
   107 annotate('local max', xy = (1.5, 1))
       
   108 
       
   109 pie(science.values(), 
       
   110             labels = science.keys())
       
   111   \end{lstlisting}
       
   112 \end{frame}
       
   113 
       
   114 \begin{frame}
       
   115   \frametitle{Summary}
       
   116   \begin{itemize}
       
   117       \item The \typ{def} keyword
       
   118       \item Docstrings
       
   119       \item Function arguments
       
   120         \begin{itemize}
       
   121         \item Default arguments
       
   122         \item Keyword arguments
       
   123         \end{itemize}
       
   124       \item Return values
       
   125   \end{itemize}
       
   126 \end{frame}
       
   127 
       
   128 \begin{frame}
       
   129   \frametitle{Thank you!}  
       
   130   \begin{block}{}
       
   131   This session is part of \textcolor{blue}{FOSSEE} project funded by:
       
   132   \begin{center}
       
   133     \textcolor{blue}{NME through ICT from MHRD, Govt. of India}.
       
   134   \end{center}  
       
   135   \end{block}
       
   136 \end{frame}
       
   137 
       
   138 \end{document}