diff options
| -rw-r--r-- | getting-started-strings/quickref.tex | 8 | ||||
| -rw-r--r-- | getting-started-strings/script.rst (renamed from getting-started-strings.rst) | 38 | ||||
| -rw-r--r-- | getting-started-strings/slides.org | 123 | ||||
| -rw-r--r-- | getting-started-strings/slides.tex | 106 |
4 files changed, 266 insertions, 9 deletions
diff --git a/getting-started-strings/quickref.tex b/getting-started-strings/quickref.tex new file mode 100644 index 0000000..b26d168 --- /dev/null +++ b/getting-started-strings/quickref.tex @@ -0,0 +1,8 @@ +Creating a linear array:\\ +{\ex \lstinline| x = linspace(0, 2*pi, 50)|} + +Plotting two variables:\\ +{\ex \lstinline| plot(x, sin(x))|} + +Plotting two lists of equal length x, y:\\ +{\ex \lstinline| plot(x, y)|} diff --git a/getting-started-strings.rst b/getting-started-strings/script.rst index 132172f..a03ee02 100644 --- a/getting-started-strings.rst +++ b/getting-started-strings/script.rst @@ -1,8 +1,33 @@ -Hello friends. Welcome to this spoken tutorial on Getting started with -strings. +.. Objectives +.. ---------- + +.. At the end of this tutorial, you should know -- + +.. 1. How to define strings +.. #. Different ways of defining a string +.. #. How to concatenate strings +.. #. How to print a string repeatedly +.. #. Accessing individual elements of the string +.. #. Immutability of strings + +.. Prerequisites +.. ------------- + +.. 1. getting started with ipython + +.. Author : Madhu + Internal Reviewer : + External Reviewer : + Checklist OK? : <put date stamp here, if OK> [2010-10-05] + +Script +------ {{{ Show the slide containing the title }}} +Hello friends. Welcome to this spoken tutorial on Getting started with +strings. + {{{ Show the slide containing the outline }}} In this tutorial, we will learn what do we actually mean by strings in @@ -106,7 +131,7 @@ This brings us to the end of another session. In this tutorial session we learnt * How to define strings - * Different types of defining a string + * Different ways of defining a string * String concatenation and repeatition * Accessing individual elements of the string * Immutability of strings @@ -116,10 +141,5 @@ we learnt This tutorial was created as a part of FOSSEE project, NME ICT, MHRD India Hope you have enjoyed and found it useful. -Thankyou - -.. Author : Madhu - Internal Reviewer 1 : [potential reviewer: Nishanth] - Internal Reviewer 2 : [potential reviewer: Amit] - External Reviewer : +Thank you! diff --git a/getting-started-strings/slides.org b/getting-started-strings/slides.org new file mode 100644 index 0000000..5d2ce93 --- /dev/null +++ b/getting-started-strings/slides.org @@ -0,0 +1,123 @@ +#+LaTeX_CLASS: beamer +#+LaTeX_CLASS_OPTIONS: [presentation] +#+BEAMER_FRAME_LEVEL: 1 + +#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} +#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra) +#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC + +#+LaTeX_CLASS: beamer +#+LaTeX_CLASS_OPTIONS: [presentation] + +#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl} +#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet} + +#+LaTeX_HEADER: \usepackage{listings} + +#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries, +#+LaTeX_HEADER: commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, +#+LaTeX_HEADER: showstringspaces=false, keywordstyle=\color{blue}\bfseries} + +#+TITLE: Accessing parts of arrays +#+AUTHOR: FOSSEE +#+EMAIL: +#+DATE: + +#+DESCRIPTION: +#+KEYWORDS: +#+LANGUAGE: en +#+OPTIONS: H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t +#+OPTIONS: TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc + +* Outline + - Manipulating one and multi dimensional arrays + - Access and change individual elements + - Access and change rows and columns + - Slicing and striding on arrays to access chunks + - Read images into arrays and manipulations +* Sample Arrays + #+begin_src python + 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_src +* Question 1 + Change the last column of ~C~ to zeroes. +* Solution 1 + #+begin_src python + In []: C[:, -1] = 0 + #+end_src +* Question 2 + Change ~A~ to ~[11, 12, 13, 14, 15]~. +* Solution 2 + #+begin_src python + In []: A[:] = [11, 12, 13, 14, 15] + #+end_src +* squares.png + #+begin_latex + \begin{center} + \includegraphics[scale=0.6]{squares} + \end{center} + #+end_latex +* Question 3 + - obtain ~[22, 23]~ from ~C~. + - obtain ~[11, 21, 31, 41]~ from ~C~. + - obtain ~[21, 31, 41, 0]~. +* Solution 3 + #+begin_src python + In []: C[1, 1:3] + In []: C[0:4, 0] + In []: C[1:5, 0] + #+end_src +* Question 4 + Obtain ~[[23, 24], [33, -34]]~ from ~C~ +* Solution 4 + #+begin_src python + In []: C[1:3, 2:4] + #+end_src +* Question 5 + Obtain the square in the center of the image +* Solution 5 + #+begin_src python + In []: imshow(I[75:225, 75:225]) + #+end_src +* Question 6 + Obtain the following + #+begin_src python + [[12, 0], [42, 0]] + [[12, 13, 14], [0, 0, 0]] + #+end_src + +* Solution 6 + #+begin_src python + In []: C[::3, 1::3] + In []: C[::4, 1:4] + #+end_src +* Summary + You should now be able to -- + - Manipulate 1D \& Multi dimensional arrays + - Access and change individual elements + - Access and change rows and columns + - Slice and stride on arrays + - Read images into arrays and manipulate them. +* Thank you! +#+begin_latex + \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_latex + + diff --git a/getting-started-strings/slides.tex b/getting-started-strings/slides.tex new file mode 100644 index 0000000..df1462c --- /dev/null +++ b/getting-started-strings/slides.tex @@ -0,0 +1,106 @@ +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%Tutorial slides on Python. +% +% Author: FOSSEE +% Copyright (c) 2009, FOSSEE, IIT Bombay +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\documentclass[14pt,compress]{beamer} +%\documentclass[draft]{beamer} +%\documentclass[compress,handout]{beamer} +%\usepackage{pgfpages} +%\pgfpagesuselayout{2 on 1}[a4paper,border shrink=5mm] + +% Modified from: generic-ornate-15min-45min.de.tex +\mode<presentation> +{ + \usetheme{Warsaw} + \useoutertheme{infolines} + \setbeamercovered{transparent} +} + +\usepackage[english]{babel} +\usepackage[latin1]{inputenc} +%\usepackage{times} +\usepackage[T1]{fontenc} + +\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}}} } + +% Title page +\title{Your Title Here} + +\author[FOSSEE] {FOSSEE} + +\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay} +\date{} + +% DOCUMENT STARTS +\begin{document} + +\begin{frame} + \maketitle +\end{frame} + +\begin{frame}[fragile] + \frametitle{Outline} + \begin{itemize} + \item + \end{itemize} +\end{frame} + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% All other slides here. %% +%% The same slides will be used in a classroom setting. %% +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +\begin{frame}[fragile] + \frametitle{Summary} + \begin{itemize} + \item + \end{itemize} +\end{frame} + +\begin{frame} + \frametitle{Thank you!} + \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} |