Re: [ROOT] Fitting Question

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Oct 31 2000 - 22:17:31 MET


Hi Ray,
Fitting with constraints is not implemented.
Reduce the number of parameters from 5 to 4 and in your function
define an internal variable p4=C-p0

Rene Brun


On Tue, 31 Oct 2000, Ray Fliller III wrote:

> 
> Hello Rooters,
> 
>    Is it posible to fit a function and impose an equation of constraint 
> between the variables, for example:
> 
>   I have a function f(x,p0,p1,p2,p3,p4) where the p's are my fitting 
> parameters.  Is there a way to impose on the fit the constraint that 
> p0+p4=C where C is some constant??  Or some other such constraint??
> 
> Thanks.
> 
> ==============================================================================
> Ray Fliller: rfliller@bnl.gov      Office Phone: (631)-344-6124 
> C-A Accelerator Physics     
> Building 911
> Brookhaven National Lab
> Upton, NY 11973                    Office: Room 211
> ==============================================================================
> 



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