How can I save the output parameters for each step using lsqnonlin function?

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Niccolò Barni 2022-8-2

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https://ww2.mathworks.cn/matlabcentral/answers/1772800-how-can-i-save-the-output-parameters-for-each-step-using-lsqnonlin-function

回答： Alan Weiss 2022-8-3

I am performing a nonlinear least square estimation of some parameters of a rational function to fit some experimental data, and I would like to save the parameters (x) obtained for each optimization step (and not just the final values). What can I do?

Best regards,

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Answer 1

Alan Weiss 2022-8-3

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https://ww2.mathworks.cn/matlabcentral/answers/1772800-how-can-i-save-the-output-parameters-for-each-step-using-lsqnonlin-function#answer_1020495

Write an output function to save the values, either to a workspace variable or to a file. For syntax details, see Output Function and Plot Function Syntax.

Alan Weiss

MATLAB mathematical toolbox documentation