Polyfit with Some Coefficients Fixed
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I want to fit a set of data using polyfit, but I want certain coefficients to have fixed values. E.g., if the data is to be fitted to a second order polynomial,
y(x)=ax^2+bx+c
I want c to always be equal to zero. Is it possible to define constraints on the polyfit or should I just move on to the Curve Fitting Toolbox?
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Torsten
am 19 Okt. 2018
For the case you describe, you can use "polyfitn":
https://de.mathworks.com/matlabcentral/fileexchange/34765-polyfitn
Best wishes
Torsten.
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