[pstricks] computing coordinates

Juergen Gilg gilg at acrotex.net
Wed May 29 22:58:02 CEST 2013

Dear Ziggy,

  I know that
doesn't work, because postscript gets confused by "2+\rx".


\multido{\rx=0.0+0.2}{11}{\psline(!\rx\space \rx\space neg)(!\rx\space 2 
add \rx\space neg)}

This should do the wanted. With the "!" you tell PSTricks to use the PS 
notation. PS notation doesn't have a "+" -- you use "add" instead in 
Reverse Polish Notation.

Hope this helps!



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