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2answers
79 views

Does FindFit use symbolic differentiation?

Does FindFit use symbolic differentiation when optimizing by least squares a non-linear function?
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1answer
103 views

How would I use sliders to manipulate the slope and intercept of a plane in a graphics 3d box while the cdf was running

Would I link a slider value to a polynomial that represents the plane and draw it in the draw plane a function, Or, is there a way that would allow me to have sliders in the draw plane function ...
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0answers
42 views

Is there a way to produce a FittedModel object as the solution to a regularized regression?

I can get the Ridge or Tikhonov regression solution to Y = \[Beta].X easily enough as ...
6
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0answers
135 views

Implementation of Partial Least Squares (PLS)?

I'm looking for a PLS implementation for Wolfram Mathematica. I just cant seem to find any implementation for it - do you know one? In general, I'm a bit confused that there exist only so few ...
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2answers
143 views

Least Square Fitting

stuck on a mathematica assignment and could really use some help. A) Fit a function with the shape log(Y) = a0 + a1log(U) to the datapoints (log(Ui), log(Yi) with an least square fitting. Show this ...
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1answer
94 views

Constraining some rows from LeastSquares to lines

For two matrices, A and B, with dimensions {n,p} and ...