Re: TMinuit and step size

From: Nevzat Guler <nguler_at_jlab.org>
Date: Wed, 1 Mar 2006 12:51:20 -0500 (EST)

	Thanks,
	I tried FixParameter method and stepsize=0 method, both gives

exact same results. I guess I can conclude that setting step size zero works equally good..

                                Nevzat

On Tue, 28 Feb 2006, Rene Brun wrote:

> Call TMinuit::FixParameter
>
> see example in $ROOTSYS/test/minexam.cxx
>
> Rene Brun
>
> On Mon, 27 Feb 2006, Nevzat Guler
> wrote:
>
> >
> > Dear rooters,
> > I am fitting 97 parameters with TMinuit. Now, for other reasons, I
> > will only fit some of these parameters, 48 of them scattered among
> > these 97 parameters. The only method I know to disable certain parameters
> > from being used in TMinuit is to set the step size equal to 0 for those
> > parameters. I want to ask if this is the right way to do this..
> > Thank you,
> >
> > Nevzat Guler
> >
>
Received on Wed Mar 01 2006 - 18:51:35 MET