%% 
%%  A DANTE-Edition example
%% 
%%  Example 15-01-67 on page 191.
%% 
%%  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}
\AtBeginDocument{{\color{white}\rule{1cm}{1cm}}}

\usepackage{pst-plot}

\begin{document}
\begin{pspicture}(-0.75,-1.25)(5.5,4.5)
  \psaxes[ylogBase=10]%
    {->}(0,-1)(0,-1)(5.5,4.5)
  \psset{linewidth=1.2pt}
  \psplot{0}{5}{x x cos add log}
  \psplot[linecolor=red]{0}{5}%
     {x 3 exp x cos add log}
  \psplot[linecolor=cyan]{0}{5}%
     {x 5 exp x cos add log}
\end{pspicture}
\end{document}