Re: [ROOT] attaching a set of functions to a histogram

From: Rene Brun (Rene.Brun@cern.ch)
Date: Mon Jun 14 2004 - 10:26:57 MEST


This is possible, just do

 hist->GetListOfFunctions()->Add(f1)
 hist->GetListOfFunctions()->Add(f2)

with TF1 *f1, *f2

Rene Brun

> Stilianos Kesisoglou wrote:
> 
> Hi,
> 
>    Is there any way to "attach" a set of functions to a histogram?
>    For example let's say that I create two functions "f1" and "f2"
>    and use the sum of them, f3=f1+f2 to fit a histogram named "hist"
>    By default the function f3 is added to the list of fitted functions
>    to the histogram, and later on it can be retrieved.
>    Is there any way to attach the functions f1 and f2 for later usage
>    as well?
> 
>    Thanks!
> 
> Stelios.



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