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+%%
+%% Ein Beispiel der DANTE-Edition
+%%
+%% 7. Auflage
+%%
+%% Beispiel 14-04-3 auf Seite 232.
+%%
+%% Copyright (C) 2016 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
+%%
+%%
+\documentclass[]{exaarticle}
+\pagestyle{empty}
+\setlength\textwidth{193.16928pt}
+\setlength\parindent{0pt}
+%StartShownPreambleCommands
+\usepackage{pst-plot}
+%StopShownPreambleCommands
+\begin{document}
+\psset{yunit=4cm,xunit=1cm}
+\begin{pspicture}(-5.75,-1)(5.75,1.1)
+ \psaxes{->}(0,0)(-5.5,-.1)(5.5,1.1)
+ \psplot[algebraic,plotpoints=51,linewidth=1.5pt,
+ showpoints]{-5}{5}{IfTE(x<-1.0,-sin(x+1),IfTE(x<1.0,(1-x^2)/2,sin(x-1)))}
+ \uput*[90](0,0.5){$y=\frac{1-x^2}{2}$}
+ \uput[90](2.6,1){$y=\sin (x-1)$}\uput[90](-2.6,1){$y=-\sin (x+1)$}
+\end{pspicture}%
+\end{document}