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How to adjust the FminSearch step?

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pml_28
pml_28 2019-5-16
回答： Sulaymon Eshkabilov 2019-5-16
I'm using fminsearch to find the minimum of a 2 variable problem ... I would like the search to be at least in the range of 0.3 to 2 .. however, the algorithm performs search only on values ​​close to the initial .. (0.3 , 0.31 ...) How can I improve this condition?

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Sulaymon Eshkabilov
Hi,
Set tolerances in optimset and include in in your fminsearch(..., ..., OPTsN) :
OPTs = optimset('TolFun', 1e-15);
OPTsN = optimset(OPTs, 'TolX', 1e-9);
fminsearch(..., ..., OPTsN);
Good luck.

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