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how to stop optimization when the function value reach 0?

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Filip Hanzely
Filip Hanzely on 13 Aug 2016
Commented: Nachiketa Chauhan on 5 Jul 2019
I am using patternsearch algorithm to find minimum of a function (area of intersection of some objects). I know that the minimum cannot be less than 0, thus I want to stop when the function value is 0. How to do it?
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Geoff Hayes
Geoff Hayes on 13 Aug 2016
Filip - are you using an algorithm from a MATLAB toolbox or something that you have written? Please provide a reference to that code.

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Accepted Answer

Alan Weiss
Alan Weiss on 15 Aug 2016
Use an output function and set stop = true when the function value gets close enough to 0.
Alan Weiss
MATLAB mathematical toolbox documentation
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Nachiketa Chauhan
Nachiketa Chauhan on 5 Jul 2019
@alan
can you provide a more elaborate answer. what do you mean by set stop = true?

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