ROOT Version: 6.12/04
Platform: Fedora 27
Compiler: gcc version 7.3.1
I have a set of
(x,y) data points which I plot in a TGraph.
What I would like to do, is fit them using a user defined function.
The problem is that the function I want to use is a nested function and has the format
f(x) = *x/TMath::Exp( *f(x) )
Any idea on how to implement this ?
Thanks in advance!
I guess the proper name is: implicit function.
Looking at the form of your implicit equation, I would say you should “swap” variables in your “data points” and then try to fit:
x = f(y) = y * TMath::Exp(  * y ) /  // exchange "x" and "y" here
In my case you are right, this can work.
But what if you cannot have a
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