Re: [ROOT] How to get the maximum and minimum of a function

From: souren (souren@jlab.org)
Date: Mon Nov 04 2002 - 17:06:43 MET


Hi,

	Try this

	fun->GetHistogram()->GetMaximum();
and
	fun->GetHistogram()->GetMinimum();

GetHistogram() member function returns pointer to
TH1 object.

	Surik		

On Mon, 4 Nov 2002, Alexander Dietz wrote:

> Hello Rooters
> 
> suppose I define a function like
> 
> TF1* fun=new TF1("fun","[0] + [1]*x + [2]*x*x",0,1000);
> 
> with three parameters that are given later from input (e.g. a file).
> So how can I get the minimum and the maximum value (or position) of this
> function within its defined range (here: 0 to 1000) ?
> 
> 
> Cheers
> 
> 	Alexander Dietz
> 
> -----------------------------------
> Alexander Dietz
> Max Planck Institut fuer Kernphysik
> Saupfercheckweg 1
> Postfach 10 39 80
> D-69029 Heidelberg
> 
> Phone: +49-6221-516-259
> 
> 



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