%% A DANTE-Edition example

%%
%% A DANTE-Edition example
%%
%%
%% 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{177.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-func}

\begin{document}
\psset{xunit=4.5cm,yunit=3cm}
\begin{pspicture*}(-0.2,-0.05)(1.1,1.1)
\psaxes{->}(0,0)(1,1)[$t$,0][$B_{env}$,180]
\multido{\i=2+1}{20}{\psBernstein[envelope,
linewidth=1pt](0.01,0.99)(0,\i)}
\end{pspicture*}
\end{document}