In article <1994Feb15.030258.13398 at cs.yale.edu>, johnk at spasm.niddk.nih.gov
(John Kuszewski) wrote:
> Hi,
>> I'm looking for a curve-fitting package to do a specific
> problem in chemical kinetics. (Sorry for the long
> description)
>> The function to be fitted is
>> I = exp(-kf1 * tf) * (kex/(kex + kf2)) *
> (1 - exp( -(kf2 + kex)* tex))
>> kex is a known constant.
> I, tf, and tex are known variables.
>> I need to optimize values of kf1 and kf2 against
> sets of several (I, tf, tex) values.
>> Does anyone know of a program that'll do this sort
> of fit? Nothing I have (facsimilie, Kalidegraph,
> Mathematica) can do it. I'd prefer something for
> a Sun or Mac that I can get for free.
>> Thanks!
>> --
> John Kuszewski
>johnk at spasm.niddk.nih.gov> I'm not an idiot, but I play one on USENET.
Why didn't it work in Kaleidagraph? You should have been able to do it with
the "General" curve fitting option, plugging your own equation in.
--
Bernard Heymann
bheymann at bragg.bio.purdue.edu