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fmincon stopped when Norm of step is far larger than StepTolerance

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Frank
Frank 2023-8-4
回答： Matt J 2023-8-4
My Norm of step is about 10 and my StepTolerance is 1.0000e-14.
Then Matlab says: fmincon stopped because the size of the current step is less than
the value of the step size tolerance.
Could you please tell me why this happens? Is it because the last Norm of step is not shown?
Thank you very much!

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Matt J
Matt J 2023-8-4
Probably. You can check the output structure to see if a 4th iteration was done,
[x,fval,exitflag,output] = fmincon(___)

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