Hi Steve,
In your case, you must do:
gMinuit->mnemat(&matrix[0][0],ndim);
Rene Brun
On Fri, 10 May 2002, Sean Stave wrote:
> Hello Rooters:
>
> I am not that experienced with C++ so maybe someone will see the problem
> with this immediately. I cannot get the TMinuit command mnemat to run
> correctly. I am running ROOT 3.02/02 on Red Hat Linux 6.2. Below is a
> macro that just won't work. When it gets to the mnemat command, I get
>
> Error: Can't call TMinuit::mnemat(matrix,ndim) in current scope
> FILE:show_err.C LINE:13
> Possible candidates are...
> filename line:size busy function type and name (in TMinuit)
> (compiled) 0:0 0 public: virtual void mnemat(Double_t*
> emat,Int_t ndim);
> filename line:size busy function type and name (in TNamed)
> filename line:size busy function type and name (in TObject)
>
> ---------------
> {
>
> TH1F *h1 = new TH1F("h1","test",3,0,3);
> h1->Fill(0.5,1);
> h1->Fill(1.5,5);
> h1->Fill(2.5,3);
>
> TF1 *f1 = new TF1("f1","[0]+[1]*x+[2]*x^2",0,3);
>
> h1->Fit("f1");
> Double_t matrix[3][3];
> Int_t ndim=3;
> gMinuit->mnemat(matrix,ndim);
>
>
> }
>
> Thanks in advance for the help.
>
> -Sean Stave
>
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