Hi all,<br>I tried to use \psplotDiffEqn. In a simple example:<br>\documentclass{article}<br>\usepackage{pstricks-add} <br>\begin{document}<br>%<br>\def\Func{ neg }<br>\psset{unit=1cm}<br>%<br>\psset{method=rk,plotpoints=40,linecolor=blue,linewidth=
0.5pt}<br> \psset{whichabs=0,whichord=1}<br>\begin{pspicture}(-4,-2.5)(4,2.5)<br>\psplotDiffEqn{0}{1}{0 0.1}{\Func}<br>\end{pspicture}<br>\end{document} <br><br>latex gives no error however gv gives the following message
<br>Error: /undefined in F2<br>Operand stack:<br> 0.0 --nostringval-- F1<br>Execution stack:<br> %interp_exit .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push 1 3 %oparray_pop 1 3 %oparray_pop 1 3 %oparray_pop 1 3 %oparray_pop .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval--
<br>Dictionary stack:<br> --dict:1125/1686(ro)(G)-- --dict:0/20(G)-- --dict:78/200(L)-- --dict:175/300(L)-- --dict:38/200(L)-- --dict:104/200(L)--<br>Current allocation mode is local<br>Last OS error: 2<br>GPL Ghostscript
8.54: Unrecoverable error, exit code 1<br><br clear="all">I have installed new pstricks-add, pst-func, xvalkey and put *.pro files in an appropriate place. <br><br>I will be thankful for a help.<br><br>-Andrzej<br>-- <br>
Andrzej J. Maciejewski Institute of Astronomy<br> tel. +48 68 328 30 21 University of Zielona Góra<br>fax. +48 68 328 73 60 Podgórna 50, 65-246 Zielona Góra
<br><a href="http://astro.ia.uz.zgora.pl/~maciejka/">http://astro.ia.uz.zgora.pl/~maciejka/</a> POLAND