Re: [ROOT] Fits in ROOT

From: C. Bernet (bernet@phnx7.saclay.cea.fr)
Date: Tue Apr 11 2000 - 16:26:38 MEST


Hi,

I had the same problem a few months ago, and it was related with root
2.23/6 (or something like that). If you're using this version, try to
upgrade to 2.23/12.

Cheers,

	Colin

On Tue, 11 Apr 2000, Pascal Perrodo wrote:

> 
> Hi rooters,
> 
> I have problem doing fits using Minuit in Root. You can find attached in
> this mail two examples where a simple polynomial is fitted to points into 
> a TGraphErrors plot.
> 
> The problem is that this fits don't converge all the time even with a low
> degree polynomials (degree 2).
> 
> Do you see any explanation ?
> 
> Thanks in advance.
> Cheers.
>                              Pascal Perrodo.
> 
> +-------------------------------------------------------------------------+
> | Tel : 04 50 09 16 32 (from France), 00 33 4 50 09 16 32 (from abroad)   | 
> | FAX : 04 50 27 94 95 (from France), 00 33 4 50 27 94 95 (from abroad)   |
> |						    		   	  |
> | LAPP, Chemin de Bellevue, BP 110, F-74941 Annecy-le-Vieux CEDEX         |
> +-------------------------------------------------------------------------+
> 



This archive was generated by hypermail 2b29 : Tue Jan 02 2001 - 11:50:23 MET