creating a custom exponential fit

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Hi Everyone,

I am working on creating a GUI for my lab to easily create graphics from raw data files. After plotting the data points with error bars I want to plot a special exponential fit with the data. I want to use the exponential fit I=C1*A*B^2*E^2*exp(-C2/(BE)), which is I (current) as a function of E (field strength) Everything else (C1,C2,A and B) are constants determined before the fitting will be done. How should I go about doing this?

Cheers,

Rhys

[Matt J]

Which part are you stuck on? How to perform the fit or how to display the plots?

And if C1,C2,A and B are already known, what unknown parameters are you determining from the fit?

[Rhys]

I was stuck on the fit, but you are completely correct, I already have all of the parameters! I can just create a Vector for E and evaluate the expression for I! Thanks for your insight!