Re: TGraphErrors and TVector

On Thu, 20 Jan 2005, Alexis Cothenet wrote:

Hi,
replace

> TVector *xval = new TVector(mytree->GetEntries();
> TVector *erxval = new TVector(mytree->GetEntries();
> TVector *yval = new TVector(mytree->GetEntries();
> TVector *eryval = new TVector(mytree->GetEntries();

(this should have been
TVector *eryval = new TVector(mytree->GetEntries()); etc. anyway)

by

TVector xval(mytree->GetEntries());
TVector erxval(mytree->GetEntries());
TVector yval(mytree->GetEntries());
TVector eryval(mytree->GetEntries());

Cheers

        Gero

>
> for(int i=0;i<mytree->GetEntries();i++){
> mytree->getEntry(i);
> xval(i) = Energie;
> yval(i)= Flux;
> erxval(i)=0;
> eryval(i)=0;
> }
>
> and i have a problem of call when i do:
> TGraphErrors *gr1 = new TGraphErrors(xval,yval,erxval,eryval);
>
> I tried to put some * or & and some combinations ;-)
> but still doesn't work...
> Does anyone would know how i could solve it ?
>
> Thanks very much in advance!
>
> Cheers,
> Alexis
>
>

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