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

From: zaldy (zaldy@neutrino.kek.jp)
Date: Fri May 28 2004 - 11:25:58 MEST


Dear Rene,

Thanks for the prompt reply....



On Fri, 28 May 2004, Rene Brun wrote:

> 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
> > --------------------------------------------------------
> 

-- 

--------------------------------------------------------
                   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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