[pstricks] Can I get a x-coordinate from a point anyhow?

Herbert Voss LaTeX at zedat.fu-berlin.de
Wed Aug 16 07:18:06 CEST 2006

Martin Sievers wrote:

> I ask for your help for the following problem: I want to plot two
> function f,g on [xmin,xmax] which have an intersection point S=(s1,s2).
> The tricky thing about it is, that I want to plot the functions
> differently on [xmin,s1] and [s1,xmax], for example red and blue.
> As I only know S, but not the coordinates s1 and s2 themselves, I wonder
> how I can achieve that.

it's possible, but only on PS side



   tx at NodeDict begin /N@#1 load GetCenter end
   pop \pst at number\psxunit div }


\pstInterFF{25 Euler x neg 0.25 mul exp mul}{10 Euler x neg 0.1 mul exp


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