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<div> <font size="2">There is a division by 0 when x = 0. The trick to take xmin = 1e-9, or use code Postscript Div.<br>
<br>
\documentclass{article}<br>
\usepackage{pst-func}<br>
\begin{document}<br>
\[<br>
f(x,y)=\frac{0.6x^{0.6}y^{-0.4}}{(5x^{0.6})^2}-2=0<br>
\]<br>
\begin{center}<br>
\begin{pspicture}(-1,0)(6,6)<br>
\psset{unit=5}%<br>
\psaxes{->}(0,0)(1.2,1.2)<br>
\psplotImp[linecolor=blue,algebraic](1e-9,0)(1,1){0.6*x^0.6*y^(-0.4)/(5*x^0.6)^2-2}<br>
%\psplotImp[linecolor=red](0,0)(1,1){0.6 x 0.6 exp mul<br>
%                                       y -0.4 exp mul<br>
%                                       5 x 0.6 exp mul dup mul Div<br>
%                                       2 sub}<br>
\end{pspicture}<br>
\end{center}<br>
\end{document}<br>
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<div style="clear:both">Manuel</div>

<div> <br>

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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----E-mail d'origine-----<br>

De : piatecki <cyrille.piatecki@univ-orleans.fr><br>

A: pstricks <pstricks@tug.org><br>

Envoyé le : Me, 13 Mai 2015 13:35<br>

Sujet : [pstricks] pb implicitplot<br>

<br>




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<pre style="font-size: 9pt;"><tt>This little
program

\documentclass[10pt,a4paper]{article}
\usepackage{pstricks,pst-func}
\begin{document}

\begin{pspicture*}(-3,-3.2)(3.5,3.5)
\psaxes{->}(0,0)(3,3)
\psplotImp[linewidth=2pt,linecolor=blue,algebraic](0,0)(1,1){0.6*x^(0.6)*y^(-0.4)/(2*x^(0.6)+3*x^(0.6))^2-2}
\end{pspicture*}
\end{document}

does
not show the graph in the plane.

Where is my fault ?

Thanks

Cyrille
Piatecki
_______________________________________________
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list
<a href="mailto:PSTricks@tug.org">PSTricks@tug.org</a>
<a href="http://tug.org/mailman/listinfo/pstricks" target="_blank">http://tug.org/mailman/listinfo/pstricks</a>
archive:
<a href="http://www.tug.org/pipermail/pstricks/" target="_blank">http://www.tug.org/pipermail/pstricks/</a>
</tt></pre>
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