Re: [ROOT] parameters of landau fit

From: Rene Brun (Rene.Brun@cern.ch)
Date: Mon Oct 29 2001 - 18:18:13 MET


Lars,

The first parameter is a normalisation coefficient.
the second parameter is the most probable value.
the third parameter correspond to Lambda in most books. It is the width of
the distribution.

Rene Brun


Lars Dietrich wrote:
> 
> Dear all,
> 
> can you please explain, how the three parameters of the landau fit are
> definded? I've tried to understand it myself, but I can only assume, that
> the first is the point, where the curve is tangent to the x-axis and the
> second one is the point of maximum. The third one I have no idea.
> Please help me!
> 
> Best regards,
> Lars



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