Problem regarding using fminunc

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christina
christina 2019-1-17
回答： Star Strider 2019-1-17
I'm trying to minimize the spectral norm and run into this problem. How do I solve it?

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Star Strider
Star Strider 2019-1-17
One obvious approach is to use an options structure:
opts = optimoptions('fminunc', 'MaxFunctionEvaluations',1E+6);
x0 = ...;
x = fminunc(fun,x0,opts)

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