# HG changeset patch # User Puneeth Chaganti # Date 1263128360 -19800 # Node ID c9d1d5a7b629fc371f9d4143e03765b6f7e14fa2 # Parent 385b9df26f25fbca668da1be313748750b29de77 Edited import section in session3 - removed scipy imports. diff -r 385b9df26f25 -r c9d1d5a7b629 day2/cheatsheet3.tex --- a/day2/cheatsheet3.tex Sun Jan 10 18:10:31 2010 +0530 +++ b/day2/cheatsheet3.tex Sun Jan 10 18:29:20 2010 +0530 @@ -105,7 +105,7 @@ \section{Self contained python script} Functions like \typ{plot}, \typ{linspace} etc are not inbuilt functions. One have to import them to use them. \begin{lstlisting} -from scipy import linspace, pi, sin +from pylab import linspace, pi, sin from pylab import plot, legend, annotate from pylab import xlim, ylim diff -r 385b9df26f25 -r c9d1d5a7b629 day2/session3.tex --- a/day2/session3.tex Sun Jan 10 18:10:31 2010 +0530 +++ b/day2/session3.tex Sun Jan 10 18:29:20 2010 +0530 @@ -248,21 +248,6 @@ \end{frame} \begin{frame}[fragile] - \frametitle{Remedy} - \begin{lstlisting} -from scipy import * - \end{lstlisting} -\alert{Now run python four\_plot.py again!} - \pause - \begin{lstlisting} -Traceback (most recent call last): - File "four_plot.py", line 4, in - plot(x, x, 'b') -NameError: name 'plot' is not defined - \end{lstlisting} -\end{frame} - -\begin{frame}[fragile] \frametitle{Remedy \ldots} \begin{lstlisting} from pylab import * @@ -276,8 +261,8 @@ \item The \kwrd{import} keyword ``loads'' a module \item One can also use: \begin{lstlisting} -In []: from scipy import * -In []: from scipy import linspace +In []: from pylab import * +In []: from pylab import linspace \end{lstlisting} \item What is the difference? \item \alert{Use the former only in interactive mode} @@ -297,7 +282,7 @@ \frametitle{\texttt{from} \ldots \texttt{import} - conventional way!} \small \begin{lstlisting} -from scipy import linspace, pi, sin +from pylab import linspace, pi, sin from pylab import plot, legend, annotate from pylab import xlim, ylim @@ -317,18 +302,17 @@ \frametitle{\texttt{from} \ldots \texttt{import} - conventional way!} \small \begin{lstlisting} -import scipy import pylab -x = scipy.linspace(-5*scipy.pi, 5*scipy.pi, 500) +x = pylab.linspace(-5*pylab.pi, 5*pylab.pi, 500) pylab.plot(x, x, 'b') pylab.plot(x, -x, 'b') -pylab.plot(x, scipy.sin(x), 'g', linewidth=2) -pylab.plot(x, x*scipy.sin(x), 'r', linewidth=3) +pylab.plot(x, pylab.sin(x), 'g', linewidth=2) +pylab.plot(x, x*pylab.sin(x), 'r', linewidth=3) pylab.legend(['x', '-x', 'sin(x)', 'xsin(x)']) pylab.annotate('origin', xy = (0, 0)) -pylab.xlim(-5*scipy.pi, 5*scipy.pi) -pylab.ylim(-5*scipy.pi, 5*scipy.pi) +pylab.xlim(-5*pylab.pi, 5*pylab.pi) +pylab.ylim(-5*pylab.pi, 5*pylab.pi) \end{lstlisting} \end{frame}