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Tagged with curve-fitting nonlinear-equations
2 questions
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Fitting data with a Voigt function
I have some data, (xrd data), that I would like peak fit with a pseudo-Voigt function, a combination of a Gaussian and a Lorentzian function. These are the functions
$G(x) = I \exp\left( -\frac{4\ln(2)...
2
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1
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Pseudo Code for non linear power function fit needed
I am struggling finding pseudo Code for a non-linear fit of the following function:
$y = a\, x^b$
Package NLS in R does perform well, but utilizing external software is not practicable in my program ...