Re: Minuit

From: Rene Brun <brun_at_pcroot.cern.ch>
Date: Fri, 9 Sep 2005 14:28:13 +0200 (MEST)


If you use TH1::Fit or TGraph::Fit, you can specify only the parameter limits, not the step size.
You must use the TFitter class or TMinuit directly (as shown in $ROOTSYS/test/minexam.cxx) to specify the step size.

Rene brun

On Fri, 9 Sep
2005, Margar SIMONYAN wrote:

> Hello
>
> how one can specify step size of each parameter in the fit operation ?
> Is it possible to specify the size of dx used to calculate integral when
> fitting with "I" option.
>
> Best regards,
> Margar Simonyan
>
Received on Fri Sep 09 2005 - 14:28:20 MEST

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