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How to see at each iteration the results of fmincon

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I am using a Non linear MPC formulation for my problem, but I would like to check the results of fmincon at each iteration or generally see the "under the hood" options of the Non linear MPC solver.
How could I do that?

Accepted Answer

rubindan on 16 Jun 2020
The options OutputFcn and PlotFcn (which you specify using optimoptions) allows you see what happens in each iteration online.
I for exmaple once written a custom OutputFcn to save each iteration data in a log file.
  1 Comment
Christos Patrinos
Christos Patrinos on 16 Jun 2020
Thank you very much for your answer.
I will give it a try.

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