Unexpected Error in fmincon - Unrecognized function or variable 'issystem'

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Neilabh Banzal 2021-9-16

评论： Rik 2021-9-16

I'm getting the following error while running fconmin -

Unrecognized function or variable 'issystem'.
Error in optim.problemdef.OptimizationProblem/solve

Could someone help me figure out why this error is appearing?

Neilabh Banzal 2021-9-16

So, issystem is a part of the Robust Control Toolbox, which is not installed on my system. However, earlier, fmincon never raised this error.

Rik 2021-9-16

Without code to reproduce this error, it is difficult to suggest a solution.

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