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%%
%% 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{201.70511pt}
\setlength\parindent{0pt}
\usepackage[utf8]{inputenc}
\AtBeginDocument{%
\def\pshlabel#1{\footnotesize #1}
\def\psvlabel#1{\footnotesize #1}}
\usepackage{pstricks,pst-plot,multido,amsmath}
\begin{document}
\psset{unit=0.8}
\begin{pspicture*}(-0.75\linewidth,-7)(0.75\linewidth,5)
\psaxes{->}(0,0)(-0.7\linewidth,-7)(0.7\linewidth,5)
\psset{plotpoints=200}
\multido{\rA=1+1}{7}{
\psplot{-6}{-0.2}{x 4 mul \rA\space sub x dup mul div}}
\multido{\rA=1+1}{7}{
\psplot{0.1}{6}{x 4 mul \rA\space sub x dup mul div}}
\rput[lb](-5.3,2){${y=\dfrac{4x-t}{x^2}}$ for ${t\in\{1,...,7\}}$}
\end{pspicture*}
\end{document}
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