TF1->GetHistogram() errors calculation

Dear Experts,

After fitting histogram with TF1 function, i call TF1->GetHistogram() method on this function. I cannot find how errors are calculated in this new histogram. Does this method uses TF1->GetParErrors() in some way? Or i should calculate errors by myself?

Semyon Yurchenko

In principle, this histogram is only used to “visualize” the function (so, no errors at all) and it can be automatically deleted (when some methods are called).

Thank you for the answer.
Is there a way to calculate errors automatically from fit result?

afaik no

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