Hello,
I am using the linear fit:
TF1*fit= new TF1(“fit”,“pol1”,0,1);
I can read out the parameter (slope and y-axis)
with
fit->GetParameter(0);
fit->GetParameter(1);
Now, I want to know the value where the fit crosses the x-axis (that means the value where y=0)
How can I read out this value?
Thanks!
Gordon___
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