i dont understad where is my mistake, or what i should do to resolve it:

2013 5 7
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options = optimset(@fmincon,'Display','iter','Algorithm','interior-point');
result: ??? Error using ==> optimset at 151 Expected argument 1 to be a string parameter name or an options structure created with OPTIMSET.
please help

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回答（2 个）

Alan Weiss
Alan Weiss 2013-5-7

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As detailed in the function reference page, OPTIMSET does not take an initial argument of the solver name. That syntax is for OPTIMOPTIONS, which was introduced in R2013a.
Alan Weiss
MATLAB mathematical toolbox documentation
gjergj ndoci
gjergj ndoci 2013-5-7

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thank you sir, now it works correctly ;)

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Alan Weiss
Alan Weiss 2013-5-7
Would you then "accept" my answer? Thanks,
Alan Weiss
MATLAB mathematical toolbox documentation
gjergj ndoci
gjergj ndoci 2013-5-8
编辑：gjergj ndoci 2013-5-12
another question, i want to know the deferences that occur betwin: optimal toolbox and knitro? differences on performance, why do we need to use knitro instad of optimal toolbox, in what problems knitro can be more then knitro etc etc
thank you for your advise and help

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