🚀 go-pugleaf

Jean-C�me Charpentier schrieb:
> Nico a �crit :
>> Bonjour !
> 
>   Bonjour p'tit loup !
> 
> I bet that you forget the "fr." before "comp.text.tex" :-) then I add
> the fu2.
> 
>> Voil�, j'ai reussi � resoudre une equadiff � l'aide de pstricks 
>> (\psplotDiffEqn). 
>> (http://tug.org/PSTricks/main.cgi?file=Examples/diffEqn/diffEqn).
>>
>> Ca parrait un peu bizarre, mais je n'ai aucun soft de math qui permette de 
>> resoudre les equa diff,
> 
> Only in the free area:
>   * for exact (symbolic) resolutions, there is MuPad;
>   * for numeric resolutions, there is SciLab.
> 
>> alors je les resoud avec pstricks graphiquement, 
>> mais il me manque le principal : recuperer les points !
>> J'aimerai les recuperer sous forme de tableau (ou n'importe quoi d'autre), 
>> mais je ne sais pas si c'est possible.
> 
> As you write, pstricks solves a differential equation only in a
> graphic way. Obviously, it has to solve it numerically... but it solves
> it very roundly (I think). 

Huh?? Runge-Kutta isn't roundly ...

> In fact, it's not pstricks which solves
> numerically; it's the PostScript viewer which does the job. Then, you
> can't read the numbers during the (La)TeX stage.

it should be no problem to save the values on the PostScript run
or at least print it to %stdout, when running the files with
ghostscript.

Herbert