I like to fit a function of two values f(x,y) with 3 parameters
to datapoints of
x1, y1, f1
x2, y2, f2
....
I tried the ntuple-class, and TF2 for the usersupplied function,
but seem not to get the desired result. Basically I'm lost...
Has anyone solved this rather simple problem ?
Thanks, Markus.
-- --------------------------------------------------------------------- Markus Weiss "Ah elbereth glithoniel BESSY-2 Projektteam silvren penna miriel" e-mail: weiss@abbe.exp.bessy.de phone: +49-30-6392-2941 ---------------------------------------------------------------------