Hi all,
I've got some problems fitting a simple TGraph object with 4 point :
Double_t x[4] = { 666, 667, 668, 669}
Double_t y[4] = { 30811, 20136, 8566, 19211}
TGraph gr(4, x, y);
TF1 fgr("fgr", "pol3", x[0], x[3]);
gr.Draw("AL");
The resulting fit doesn't match at all has it must be with 4 points. The
same is working with 3 points and a pol2...
What am I doing wrong ?
Thanks in advance.
Raphaël
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