[pstricks] x/x in pstricks

Herbert Voss Herbert.Voss at FU-Berlin.DE
Tue Sep 28 09:49:13 CEST 2010

Am 27.09.2010 14:58, schrieb mathias legrand:

> thanks, but I get very strange results.

I get the attached with:


\psset{lightsrc=,viewpoint=50 -30 10 rtp2xyz,Decran=60}
\psSurface[incolor=yellow, linewidth=0.001pt,axesboxed,
fillcolor=red!15,Zmin=-1,Zmax=2,ngrid=50 50](-4,-4)(4,4){
  y x add dup abs 1.e-10 lt {}{
  y x add div } ifelse }


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