%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2008 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-func,amsmath} \psset{yunit=4cm,xunit=3}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-0.15)(2,1.25)
 \psaxes[Dy=0.25]{->}(0,0)(-2,0)(2,1.2)
 \uput[-90](2,0){x}\uput[0](0,1.2){y}
 \rput[lb](0.6,0.5){$\sigma=0.5$}\rput[lb](1,0.5){$\sigma=1$}
 \rput[lb](-2,0.5){$f(x)=\dfrac{1}{\sigma\sqrt{2\pi}}\,
   e^{-\dfrac{(x-\mu)^2}{2\sigma{}^2}}$}
 \psGauss[linecolor=red,linewidth=2pt]{-2}{1.75}
 \psGaussI[linewidth=1pt,yunit=0.75]{-2}{1.75}
 \rput[lb](1,0.9){$\int f(x)\,\mathrm{d}x$}
 \psGauss[linecolor=cyan,mue=0.5,linewidth=2pt]{-2}{1.75}
 \psGauss[sigma=1,linecolor=blue,linewidth=2pt]{-2}{2}
\end{pspicture}
\end{document}