% Created 2010-10-10 Sun 18:12 \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{Loading data from files} \author{FOSSEE} \date{} \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} \begin{document} \maketitle \begin{frame} \frametitle{Outline} \label{sec-1} \begin{itemize} \item Read data from files with a single column of data \item Read data from files with multiple columns \end{itemize} \end{frame} \begin{frame} \frametitle{Question 1} \label{sec-2} Read the file \texttt{pendulum\_semicolon.txt} which contains the same data as \texttt{pendulum.txt}, but the columns are separated by semi-colons instead of spaces. Use the IPython help to see how to do this. \end{frame} \begin{frame}[fragile] \frametitle{Solution 1} \label{sec-3} \lstset{language=Python} \begin{lstlisting} In []: L, T = loadtxt('/home/fossee/pendulum_semicolon.txt', unpack=True, delimiter=';') In []: print L In []: print T \end{lstlisting} \end{frame} \begin{frame} \frametitle{Summary} \label{sec-4} \begin{itemize} \item Read data from files, containing a single column of data using the \texttt{loadtxt} command. \item Read multiple columns of data, separated by spaces or other delimiters. \end{itemize} \end{frame} \begin{frame} \frametitle{Thank you!} \label{sec-5} \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}