%% 
%%  A DANTE-Edition example
%% 
%%  Example 28-02-2 on page 522.
%% 
%%  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{375.57637pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-func}

\begin{document}
\psset{yunit=0.5cm,xunit=1.25}
\def\coeff{-2 1 -1 .5 .1 .025 .2}
\begin{pspicture*}(-3,-5)(3,10)
\psaxes[Dy=2]{->}(0,0)(-3,-5)(3,10)
\psset{linewidth=1.5pt}
\psPolynomial[coeff=\coeff,linecolor=magenta]{-2}{4}
\psPolynomial[coeff=\coeff,linecolor=red,linestyle=dashed,Derivation=1]{-2}{4}
\psPolynomial[coeff=\coeff,linecolor=blue,linestyle=dotted,Derivation=2]{-2}{4}
\rput[lb](2,4){\color{magenta}$h(x)$}
\rput[lb](1,1){\color{red}$h^{\prime}(x)$}
\rput[lb](-1,6){\color{blue}$h^{\prime\prime}(x)$}
\end{pspicture*}
\end{document}
