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I am searching for a source-code in C/C++, in which a regression algorithm is implented to calculate the regression coefficients.
I already built a model function. The value of the model function depends on 3 parameters:
The model function needs to be fitted to datas of measurements.
The maximum order of the parameters is the 5th one.
Has anybody already writen a programm like this or knows where to get a code for my problem?
Thanks a lot!