%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 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{142.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-node,pst-coil}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(5,2)
\pnode(0,1){A}
\pnode(5,1){B}
\ncsin[amplitude=0.5,periods=30,
  coilarm=5pt,
  function=dup 0.1 mul sin exch sin add]{A}{B}
\end{pspicture}
\end{document}