%%
%% A DANTE-Edition example
%%
%% Example 36-00-108 on page 815.
%%
%% Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}
\usepackage{pstricks-add}
\begin{document}
\psset{yunit=0.5cm,algebraic,labelsep=5pt,
linewidth=0.4pt,arrowsize=3pt 2,arrowinset=0.25}
\begin{pspicture}(-5.75,-5.75)(5.75,6.75)
\psaxes[labelFontSize=\scriptstyle,Dy=2,ticksize=-2pt 0,
subticks=0]{->}(0,0)(-5.5,-6)(4.5,6.5)
\rput[lb](-5.5,-5.5){%
\begin{pspicture*}(-5.5,-5.5)(5.75,6.2)
\psplot[plotpoints=5000,yMaxValue=6,linewidth=1.5pt,
linecolor=blue]{-5.5}{6}{GAMMA(x)}%
\multido{\iA=-1+-1}{5}{\psline[linestyle=dashed](\iA,-6)(\iA,6)}%
\psdots[dotsize=2pt 0,dotstyle=*](!1 1 GAMMA)\uput[90](!1 1 GAMMA){0!}
\psdots[dotsize=2pt 0,dotstyle=*](!2 2 GAMMA)\uput[90](!2 2 GAMMA){1!}
\psdots[dotsize=2pt 0,dotstyle=*](!3 3 GAMMA)\uput[110](!3 3 GAMMA){2!}
\psdots[dotsize=2pt 0,dotstyle=*](!4 4 GAMMA)\uput[200](!4 4 GAMMA){3!}
\end{pspicture*}}%
\end{pspicture}
\end{document}
