Hi Wen, If you want to get more than one stats/fit box in a pad, use the technique I reported in a previous mail today. Change the name of the "stats" box to "stats1", etc. Rene Brun meiwen wrote: > > Dear Rooters, > I have a histogram which should be fitted with different formulars > in different ranges. I use the "R+" option to implement this function. > But with gStyle->SetOptFit(1) I got only the parameters of the first > formular in the statistic box. my code is following: > > myfunc1 = new TF1("myfunc1", "[0]+[1]*(950.-x)**2", 950, 1014); > myfunc1->SetLineColor(6); > myfunc1->SetLineWidth(1); > > myhisto->Fit("myfunc1", "R0"); > gStyle->SetOptFit(1); > myfunc1->GetParameters(&par[0]); > myfunc1->SetParameters(par); > myfunc2 = new TF1("myfunc2", "gaus",1014 ,1030); > myfunc2->SetLineColor(6); > myfunc2->SetLineWidth(1); > > myhisto->Fit("myfunc2", "R0+"); > gStyle->SetOptFit(1); > > How can I get the rest parameters' values? Thanks for any help. > Best Regards Wen Mei
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