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How to solve MINLP via problom-based optimization

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Jingyu Liu 2022-2-21

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回答： Matt J 2022-2-21

I have an optimization problem which is a MINLP (mixed integer nonlinear programming). I tried to solve it via problem-based optimization. I use opts = optimoptions(prob) but it failed. MATLAB told me Nonlinear problem with integer variables not supported.

I wonder what solver should I choose to solve such a problem and how to do. Any suggestion is appreciated. Thanks!

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Torsten 2022-2-21

编辑：Torsten 2022-2-21

https://de.mathworks.com/help/gads/genetic-algorithm-options.html

https://de.mathworks.com/help/gads/gaoptimset.html

Jingyu Liu 2022-2-21

@Torsten Thanks for your comments!

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Matt J 2022-2-21

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You can use prob2struct()

https://www.mathworks.com/matlabcentral/fileexchange/74481-prob2matrices-a-selective-version-of-prob2struct

to convert problem-based formulations of your bounds, linear and integer constraints to a format suitable for ga().

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