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<P><FONT SIZE=2 FACE="Arial">Hi,</FONT>
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<P><FONT SIZE=2 FACE="Arial">it's me again with a new question regarding PS-programming.</FONT>
<BR><FONT SIZE=2 FACE="Arial">I'm trying to create a simple repeat-loop using the following</FONT>
<BR><FONT SIZE=2 FACE="Arial">code-fragment:</FONT>
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<P><FONT SIZE=2 FACE="Arial">\documentclass{scrartcl}</FONT>
<BR><FONT SIZE=2 FACE="Arial">\usepackage{pstricks}</FONT>
<BR><FONT SIZE=2 FACE="Arial">\usepackage{pst-plot}</FONT>
<BR><FONT SIZE=2 FACE="Arial">\begin{document}</FONT>
<BR><FONT SIZE=2 FACE="Arial"> \psset{unit=1mm}</FONT>
<BR><FONT SIZE=2 FACE="Arial"> \begin{pspicture}(90,30)</FONT>
<BR><FONT SIZE=2 FACE="Arial"> \pstVerb{%</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /dc 0.2 def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /kx 12 def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /ky 12 def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /pi 3.141529 def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /rad2deg {57.296 mul } def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /si {pi mul dup rad2deg sin exch div } def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> }</FONT>
<BR><FONT SIZE=2 FACE="Arial"> \psplot{-45}{45}{%</FONT>
<BR><FONT SIZE=2 FACE="Arial"> /n 0 def</FONT>
<BR><FONT SIZE=2 FACE="Arial"> 5</FONT>
<BR><FONT SIZE=2 FACE="Arial"> { n 1 add % <-----------------------</FONT>
<BR><FONT SIZE=2 FACE="Arial"> x kx mul n mul cos</FONT>
<BR><FONT SIZE=2 FACE="Arial"> n dc mul si</FONT>
<BR><FONT SIZE=2 FACE="Arial"> mul</FONT>
<BR><FONT SIZE=2 FACE="Arial"> add</FONT>
<BR><FONT SIZE=2 FACE="Arial"> } repeat</FONT>
<BR><FONT SIZE=2 FACE="Arial"> dc mul 2 mul</FONT>
<BR><FONT SIZE=2 FACE="Arial"> dc add</FONT>
<BR><FONT SIZE=2 FACE="Arial"> ky mul</FONT>
<BR><FONT SIZE=2 FACE="Arial"> }</FONT>
<BR><FONT SIZE=2 FACE="Arial"> \end{pspicture}</FONT>
<BR><FONT SIZE=2 FACE="Arial">\end{document}</FONT>
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<P><FONT SIZE=2 FACE="Arial">The marked line provokes my problem: What do I have</FONT>
<BR><FONT SIZE=2 FACE="Arial">to do to define a loop-index (here: n) that I want to employ</FONT>
<BR><FONT SIZE=2 FACE="Arial">in the body of the loop?</FONT>
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<P><FONT SIZE=2 FACE="Arial">Regards,</FONT>
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<P><FONT SIZE=2 FACE="Arial">Jürgen</FONT>
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