[ROOT] Re: Fitting with many gaussian signal riding on the polynomial background

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri May 28 2004 - 11:12:35 MEST 

see example in $ROOTSYS/tutorials/peaks.C

Rene Brun

zaldy wrote:
> 
> Dear Rooters,
> 
> I wanted to fit many gaussians signals g1, g2, g3, .... riding on a
> polynomial background.
> 
> I started with the Laurentian + Polynomial at the tutorial section, and I
> was able to do the fitting with the LINE as the background. But I have to
> do it one by one (peak by peak within +/-5sigma of the peaks center).
> 
> But I wanted to do it with a Polynomial Background, so I will just do it
> once.
> 
> How would the signal Function look like?
> Any hint ?
> 
> Thanks.
> 
> --
> 
> --------------------------------------------------------
>                    Zaldy A. Nawang
>                    PS Users Room 2
>                    Yon Gokan,
>                    E362, Neutrino Group,
>                    IPNS, KEK,
>                    Japan
> 
>                    e-mail: zaldy@neutrino.kek.jp
>                    Tel. No. : (81) 029864 - 5387
> --------------------------------------------------------

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