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Questions on the manipulation of List objects in Mathematica, and the functions used for these manipulations.

1 vote
2 answers
307 views

FindFit; not a valid variable [closed]

I am trying to fit the function in model, however I get General::ivar: 5000.` is not a valid variable. this error. My code is that and wavelength = 2.094; zdata = {0.5, 1.6, 3, 4.6, 6.6, 8.2, 9.8, …