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How to define a multivariable function (for instance an anonymous function) of a number of variables that varies according to the size of an array variable?

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I have two vectors input and output ,where S is the number of samples
I want to solve this problem as nonlinear least-squares (nonlinear data-fitting), so I have to define my anonymous function as follow
,where L is the number of coefficients and X is the regression matrix of x
How to define vector of coefficients ?!

Answers (1)

Nicolas B.
Nicolas B. on 5 Jan 2020
I would be you, I would use a vector input and then, you return a vector.

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