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Topic: Reduce the number of fminsearch iterations
Replies: 2   Last Post: Oct 30, 2013 9:37 AM

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Torsten

Posts: 1,439
Registered: 11/8/10
Reduce the number of fminsearch iterations
Posted: Oct 30, 2013 7:23 AM
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"Sonia" wrote in message <l4qmda$50k$1@newscl01ah.mathworks.com>...
> Is it possible to make the fminsearch algorithm stop as soon as it evaluates the objective function at a given x as zero?
> I am optimizing for one variable and what happens is that the fminsearch finds a point where the objective function f(x) = 0, but it continues to iterate until the simplex is contracted around that value of x that gives 0. I would like it to stop as soon as the fun(x)=0


Use an output function to make fminsearch stop iterating:
http://www.mathworks.de/de/help/matlab/math/output-functions.html

Best wishes
Torsten.



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