Add intro and prelim slides.

The intro adds a brief introduction on Python and why it is useful.  The
second is a set of slides to help make a few things clearer.

14 files changed, 590 insertions, 0 deletions

diff --git a/scipy/basic/data/intro/blank.png b/scipy/basic/data/intro/blank.png
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+++ b/scipy/basic/data/intro/blank.png
diff --git a/scipy/basic/data/intro/dam_break_poster.png b/scipy/basic/data/intro/dam_break_poster.png
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index 0000000..18b7421
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+++ b/scipy/basic/data/intro/dam_break_poster.png
diff --git a/scipy/basic/data/intro/dam_break_poster_0.png b/scipy/basic/data/intro/dam_break_poster_0.png
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index 0000000..c7d2a66
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+++ b/scipy/basic/data/intro/dam_break_poster_0.png
diff --git a/scipy/basic/data/intro/django_page.png b/scipy/basic/data/intro/django_page.png
new file mode 100755
index 0000000..f95e8a4
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+++ b/scipy/basic/data/intro/django_page.png
diff --git a/scipy/basic/data/intro/m2_app.png b/scipy/basic/data/intro/m2_app.png
new file mode 100644
index 0000000..24e5e2f
--- /dev/null
+++ b/scipy/basic/data/intro/m2_app.png
diff --git a/scipy/basic/data/intro/mayavi-ipython.png b/scipy/basic/data/intro/mayavi-ipython.png
new file mode 100644
index 0000000..3730167
--- /dev/null
+++ b/scipy/basic/data/intro/mayavi-ipython.png
diff --git a/scipy/basic/data/intro/python-orgs.png b/scipy/basic/data/intro/python-orgs.png
new file mode 100644
index 0000000..feeaeb6
--- /dev/null
+++ b/scipy/basic/data/intro/python-orgs.png
diff --git a/scipy/basic/data/intro/python_download.png b/scipy/basic/data/intro/python_download.png
new file mode 100644
index 0000000..cc4a939
--- /dev/null
+++ b/scipy/basic/data/intro/python_download.png
diff --git a/scipy/basic/data/intro/scipy_screenie.png b/scipy/basic/data/intro/scipy_screenie.png
new file mode 100644
index 0000000..6a6bf39
--- /dev/null
+++ b/scipy/basic/data/intro/scipy_screenie.png
diff --git a/scipy/basic/data/intro/traits_ui_qt.png b/scipy/basic/data/intro/traits_ui_qt.png
new file mode 100644
index 0000000..6330e67
--- /dev/null
+++ b/scipy/basic/data/intro/traits_ui_qt.png
diff --git a/scipy/basic/data/intro/traits_ui_wx.png b/scipy/basic/data/intro/traits_ui_wx.png
new file mode 100644
index 0000000..468f7ff
--- /dev/null
+++ b/scipy/basic/data/intro/traits_ui_wx.png
diff --git a/scipy/basic/data/intro/wxpy_demo.png b/scipy/basic/data/intro/wxpy_demo.png
new file mode 100644
index 0000000..a62bba8
--- /dev/null
+++ b/scipy/basic/data/intro/wxpy_demo.png
diff --git a/scipy/basic/intro.tex b/scipy/basic/intro.tex
new file mode 100644
index 0000000..03c0ad0
--- /dev/null
+++ b/scipy/basic/intro.tex
@@ -0,0 +1,325 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%Tutorial slides on Python.
+%
+% Author: FOSSEE
+% Copyright (c) 2009-2016, FOSSEE, IIT Bombay
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\documentclass[14pt,compress]{beamer}
+
+% Modified from: generic-ornate-15min-45min.de.tex
+\mode<presentation>
+{
+  \usetheme{Warsaw}
+  \useoutertheme{infolines}
+  \setbeamercovered{transparent}
+}
+
+% Remove navigation symbols.
+\setbeamertemplate{navigation symbols}{}
+
+\usepackage[english]{babel}
+\usepackage[latin1]{inputenc}
+%\usepackage{times}
+\usepackage[T1]{fontenc}
+
+% Taken from Fernando's slides.
+\usepackage{ae,aecompl}
+\usepackage{mathpazo,courier,euler}
+\usepackage[scaled=.95]{helvet}
+
+\definecolor{darkgreen}{rgb}{0,0.5,0}
+
+\usepackage{listings}
+\lstset{language=Python,
+    basicstyle=\ttfamily\bfseries,
+    commentstyle=\color{red}\itshape,
+  stringstyle=\color{darkgreen},
+  showstringspaces=false,
+  keywordstyle=\color{blue}\bfseries}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Macros
+\setbeamercolor{emphbar}{bg=blue!20, fg=black}
+\newcommand{\emphbar}[1]
+{\begin{beamercolorbox}[rounded=true]{emphbar}
+      {#1}
+ \end{beamercolorbox}
+}
+\newcounter{time}
+\setcounter{time}{0}
+\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
+
+\newcommand{\typ}[1]{\lstinline{#1}}
+
+\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
+
+\newcommand\BackgroundPicture[1]{%
+  \setbeamertemplate{background}{%
+      \parbox[c][\paperheight]{\paperwidth}{%
+      \vfill \hfill
+        \pgfimage[width=1.0\paperwidth,height=1.0\paperheight]{#1}
+ \hfill \vfill
+}}}
+
+% For non-wide pictures, set the width so that the height scales
+% appropriately.
+\newcommand\BackgroundPictureWidth[1]{%
+  \setbeamertemplate{background}{%
+      \parbox[c][\paperheight]{\paperwidth}{%
+      \vfill \hfill
+        \pgfimage[width=1.0\paperwidth]{#1}
+ \hfill \vfill
+}}}
+
+% For shorter pictures, set the height so that the width scales
+% appropriately.
+\newcommand\BackgroundPictureHeight[1]{%
+  \setbeamertemplate{background}{%
+      \parbox[c][\paperheight]{\paperwidth}{%
+      \vfill \hfill
+        \pgfimage[height=1.0\paperheight]{#1}
+ \hfill \vfill
+}}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Title page
+\title[Introduction]{Introductory Scientific Computing with
+Python}
+\subtitle{Introduction to Python}
+
+\author[FOSSEE] {FOSSEE}
+
+\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
+\date[] {Mumbai, India
+}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}
+%\logo{\pgfuseimage{iitmlogo}}
+
+
+%% Delete this, if you do not want the table of contents to pop up at
+%% the beginning of each subsection:
+\AtBeginSubsection[]
+{
+  \begin{frame}<beamer>
+    \frametitle{Outline}
+    \tableofcontents[currentsection,currentsubsection]
+  \end{frame}
+}
+
+\AtBeginSection[]
+{
+  \begin{frame}<beamer>
+    \frametitle{Outline}
+    \tableofcontents[currentsection,currentsubsection]
+  \end{frame}
+}
+
+% If you wish to uncover everything in a step-wise fashion, uncomment
+% the following command:
+%\beamerdefaultoverlayspecification{<+->}
+
+%%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% DOCUMENT STARTS
+\begin{document}
+
+\begin{frame}
+  \maketitle
+\end{frame}
+
+\begin{frame}
+  \frametitle{Acknowledgement}
+  \Large
+  \begin{center}
+    \alert{FOSSEE group (\url{fossee.in})} \\
+    based at\\
+    \alert{IIT Bombay}\\
+    and funded by\\
+    The National Mission on Education through ICT, \\
+    \alert{Ministry of HRD, India}
+  \end{center}
+\end{frame}
+
+
+\begin{frame}[plain]
+    \begin{center}
+        \Huge
+        Why Python?
+        \vspace*{1in}
+
+        For Scientific Computing?
+    \end{center}
+
+\end{frame}
+
+\begin{frame}
+  \frametitle{Need: Toolkit for diversity}
+  \Large
+     \begin{itemize}
+        \item Numeric and Symbolic
+        \item Exploration and Visualization
+        \item High performance
+        \item Parallel computing
+        \item User interfaces, Web
+        \item Other tasks
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Why Python?}
+  \Large
+  \begin{itemize}
+  \item Easy to read and learn
+  \item Powerful interactive interpreter
+  \item Scalable, general purpose
+  \item High-level, modular
+  \item Procedural, OO, functional
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Why Python?}
+  \Large
+  \begin{itemize}
+  \item Extensive libraries
+  \item Rapid application development
+  \item Interface to C++, C and FORTRAN
+  \item Cross-platform
+  \item Open Source
+  \end{itemize}
+\end{frame}
+
+
+\begin{frame}[plain]
+  \frametitle{Requirements: numeric computation}
+
+    \begin{center}
+    \pgfimage[height=3.5in]{data/intro/scipy_screenie}
+
+    \end{center}
+
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{SciPy}
+  \begin{itemize}
+  \item Linear algebra
+  \item Numerical integration
+  \item Fourier transforms
+  \item Signal processing
+  \item Special functions
+  \item Statistics
+  \item Optimization
+  \item Image processing
+  \item ODE solvers
+    \vspace*{0.2in}
+  \item Uses LAPACK, QUADPACK, ODEPACK, FFTPACK etc. from netlib
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+    \frametitle{Requirement: Exploration/Visualization}
+    \begin{center}
+    \pgfimage[height=3.0in]{data/intro/mayavi-ipython}
+    \end{center}
+  \end{frame}
+
+\begin{frame}[plain]
+  \frametitle{3D visualization with Mayavi2}
+      \vspace*{-0.3in}
+  \begin{center}
+    \hspace*{-0.3in}\pgfimage[width=4.75in]{data/intro/m2_app}
+  \end{center}
+\end{frame}
+
+\begin{frame}[plain]
+    \frametitle{Requirement: HPC, parallel computing}
+    \begin{center}
+    \includegraphics[height=1.75in]{data/intro/dam_break_poster_0}
+    \includegraphics[height=1.75in]{data/intro/dam_break_poster}
+  \end{center}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Requirement: UI}
+
+  \begin{center}
+    \pgfimage[height=3.25in]{data/intro/wxpy_demo}
+
+  \end{center}
+
+\end{frame}
+
+\begin{frame}[plain, fragile]
+    \frametitle{Super-simple UIs}
+%\footnotesize
+\begin{lstlisting}
+from traits.api import *
+class Person(HasTraits):
+    name = Str('name')
+    age = Range(0.0, 200.0)
+    sex = Enum('male', 'female')
+
+p = Person(name='Ram')
+p.configure_traits()
+\end{lstlisting}
+\hrule
+\pgfimage[width=0.5\textwidth, interpolate=true]{data/intro/traits_ui_wx}
+\pgfimage[width=0.5\textwidth, interpolate=true]{data/intro/traits_ui_qt}
+\begin{center}WxPython/Qt
+\end{center}
+\end{frame}
+
+
+
+\BackgroundPicture{data/intro/django_page}
+\begin{frame}[plain]
+\end{frame}
+\BackgroundPicture{data/intro/blank}
+
+\begin{frame}[plain,fragile]
+    \frametitle{Easy to read and still compact?}
+    \footnotesize
+    \begin{lstlisting}
+def qsort(L):
+    """Quick sort for given sequence, `L`."""
+    if not L: return L # exit recursion if input is empty
+    pivot, rest = L[0], L[1:]
+    less_than = [ lt for lt in rest if lt < pivot ]
+    greater_eq = [ ge for ge in rest if ge >= pivot ]
+    return qsort(less_than) + [pivot] + qsort(greater_eq)
+
+    \end{lstlisting}
+\end{frame}
+
+\begin{frame}[plain]
+    \Huge
+    \begin{center}
+
+    \structure{Python users?}
+    \end{center}
+\end{frame}
+
+\BackgroundPictureWidth{data/intro/python-orgs}
+\begin{frame}[plain]
+\end{frame}
+\BackgroundPicture{data/intro/blank}
+
+\begin{frame}[plain]
+  \emphbar{\Large  \hfill Diverse needs, one language \hfill }
+  \emphbar{\Large  \hfill Python! \hfill}
+    \begin{center}
+        %\structure{Python!}
+    \pgfimage[height=2in]{data/intro/python_only_logo}
+
+    \url{www.python.org}
+    \end{center}
+
+\end{frame}
+
+
+\end{document}
diff --git a/scipy/basic/prelims.tex b/scipy/basic/prelims.tex
new file mode 100644
index 0000000..aad257f
--- /dev/null
+++ b/scipy/basic/prelims.tex
@@ -0,0 +1,265 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%Tutorial slides on Python.
+%
+% Author: FOSSEE
+% Copyright (c) 2009-2016, FOSSEE, IIT Bombay
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\documentclass[14pt,compress]{beamer}
+
+% Modified from: generic-ornate-15min-45min.de.tex
+\mode<presentation>
+{
+  \usetheme{Warsaw}
+  \useoutertheme{infolines}
+  \setbeamercovered{transparent}
+}
+
+% Remove navigation symbols.
+\setbeamertemplate{navigation symbols}{}
+
+\usepackage[english]{babel}
+\usepackage[latin1]{inputenc}
+%\usepackage{times}
+\usepackage[T1]{fontenc}
+
+% Taken from Fernando's slides.
+\usepackage{ae,aecompl}
+\usepackage{mathpazo,courier,euler}
+\usepackage[scaled=.95]{helvet}
+
+\definecolor{darkgreen}{rgb}{0,0.5,0}
+
+\usepackage{listings}
+\lstset{language=Python,
+    basicstyle=\ttfamily\bfseries,
+    commentstyle=\color{red}\itshape,
+  stringstyle=\color{darkgreen},
+  showstringspaces=false,
+  keywordstyle=\color{blue}\bfseries}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Macros
+\setbeamercolor{emphbar}{bg=blue!20, fg=black}
+\newcommand{\emphbar}[1]
+{\begin{beamercolorbox}[rounded=true]{emphbar}
+      {#1}
+ \end{beamercolorbox}
+}
+\newcounter{time}
+\setcounter{time}{0}
+\newcommand{\inctime}[1]{\addtocounter{time}{#1}{\tiny \thetime\ m}}
+
+\newcommand{\typ}[1]{\lstinline{#1}}
+
+\newcommand{\kwrd}[1]{ \texttt{\textbf{\color{blue}{#1}}}  }
+
+\newcommand\BackgroundPicture[1]{%
+  \setbeamertemplate{background}{%
+      \parbox[c][\paperheight]{\paperwidth}{%
+      \vfill \hfill
+        \pgfimage[width=1.0\paperwidth,height=1.0\paperheight]{#1}
+ \hfill \vfill
+}}}
+
+% For non-wide pictures, set the width so that the height scales
+% appropriately.
+\newcommand\BackgroundPictureWidth[1]{%
+  \setbeamertemplate{background}{%
+      \parbox[c][\paperheight]{\paperwidth}{%
+      \vfill \hfill
+        \pgfimage[width=1.0\paperwidth]{#1}
+ \hfill \vfill
+}}}
+
+% For shorter pictures, set the height so that the width scales
+% appropriately.
+\newcommand\BackgroundPictureHeight[1]{%
+  \setbeamertemplate{background}{%
+      \parbox[c][\paperheight]{\paperwidth}{%
+      \vfill \hfill
+        \pgfimage[height=1.0\paperheight]{#1}
+ \hfill \vfill
+}}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Title page
+\title[Introduction]{Introductory Scientific Computing with
+Python}
+\subtitle{Some preliminaries}
+
+\author[FOSSEE] {FOSSEE}
+
+\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}
+\date[] {Mumbai, India
+}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}
+%\logo{\pgfuseimage{iitmlogo}}
+
+
+%% Delete this, if you do not want the table of contents to pop up at
+%% the beginning of each subsection:
+\AtBeginSubsection[]
+{
+  \begin{frame}<beamer>
+    \frametitle{Outline}
+    \tableofcontents[currentsection,currentsubsection]
+  \end{frame}
+}
+
+\AtBeginSection[]
+{
+  \begin{frame}<beamer>
+    \frametitle{Outline}
+    \tableofcontents[currentsection,currentsubsection]
+  \end{frame}
+}
+
+% If you wish to uncover everything in a step-wise fashion, uncomment
+% the following command:
+%\beamerdefaultoverlayspecification{<+->}
+
+%%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% DOCUMENT STARTS
+\begin{document}
+
+\begin{frame}
+  \maketitle
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{What is Python?}
+  \large
+  \begin{itemize}
+  \item Python: the programming language
+
+    \vspace*{0.5in}
+  \item \typ{python}: the interpreter
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[fragile]
+  \frametitle{The interpreter}
+  \small
+  \begin{lstlisting}
+$ python
+Python 2.7.9 (default, Feb 10 2015, 03:29:10)
+Type "help", "copyright", "credits" or "license" for more information.
+>>>
+\end{lstlisting} %$
+\end{frame}
+
+\begin{frame}[fragile]
+  \frametitle{The interpreter}
+  \small
+\begin{lstlisting}
+$ python hello.py
+hello world
+$
+\end{lstlisting}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Python standard library}
+  \begin{itemize}
+  \item Built-in
+  \item Batteries included
+  \item Lot of important functionality
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Python packages}
+  \begin{itemize}
+  \item Many other packages available
+  \item \typ{ipython}
+  \item \typ{numpy}
+  \item \typ{scipy}
+  \item \typ{matplotlib}
+  \item \typ{PyQt}
+  \item \typ{django}
+  \item \typ{mayavi}
+  \item About 1 lakh packages!
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Official Python}
+  \begin{center}
+    \url{www.python.org/downloads}
+
+    \includegraphics[height=2.75in]{data/intro/python_download}
+  \end{center}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Python distributions}
+  \begin{itemize}
+  \item GNU/Linux: easy to install
+  \item Usually many packages are easy to install
+  \item Example: \typ{apt-get}, \typ{yum} etc.
+  \item Not so easy on OS X and Windows
+  \end{itemize}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Python distribution: Canopy}
+  \begin{itemize}
+  \item \url{www.enthought.com/products/canopy}
+  \item Easy to use, simple
+  \item Cross platform: Linux, OSX, Windows
+  \item Free installer
+  \item Many packages
+  \end{itemize}
+\end{frame}
+
+\begin{frame}
+  \frametitle{Python distribution: Anaconda}
+  \begin{itemize}
+  \item \url{www.continuum.io/downloads}
+  \item Easy to use, simple
+  \item Cross platform: Linux, OSX, Windows
+  \item Free installer
+  \item Many packages
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{For this course}
+  \begin{itemize}
+  \item Using Canopy!
+  \item Simple UI
+  \item Easy for beginners
+    \vspace*{0.25in}
+  \item Advanced users can use anything they want!
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Setup}
+  \begin{itemize}
+    \item Download for your platform
+    \item Install it
+    \item Start Canopy
+  \end{itemize}
+\end{frame}
+
+\begin{frame}[plain]
+  \frametitle{Summary}
+  \begin{itemize}
+  \item Python: the programming language
+  \item \typ{python}: the interpreter
+  \item Python standard library
+  \item Other Python packages
+  \item Python distributions
+  \end{itemize}
+\end{frame}
+
+
+
+
+\end{document}