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 ?!