Does it exists a function similar to polyfit to interpolate n variables? polyfit use x, y, N, where N is the degree, instead I would like to use x, y, z, and N. Any idea?
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possible duplicate of [Multivariate polynomial regression with numpy](http://stackoverflow.com/questions/10988082/multivariate-polynomial-regression-with-numpy) – Ami Tavory May 31 '15 at 20:48
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@AmiTavory - Not an exact duplicate. That uses `numpy` where this question is asking in MATLAB. – rayryeng May 31 '15 at 22:06
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@rayryeng Sorry, missed that. Thanks. Retracted. – Ami Tavory May 31 '15 at 22:08
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@AmiTavory - No problem at all. Just wanted to point it out. However, there are some concepts in that post that are applicable here. – rayryeng May 31 '15 at 22:21
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To the best of my knowledge, there isn't a direct function which you can use in MATLAB. However, you can solve the problem manually using fitlm.
musically_ut
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