Setting up the fminunc function

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ektor 2017-12-25

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https://ww2.mathworks.cn/matlabcentral/answers/374482-setting-up-the-fminunc-function

回答： Star Strider 2017-12-25

Dear all I want to maximize a function, where the univariate unknown, x, with respect to which the maximization takes place is bound between -1 and 1. This is the only constraint. So, I use this

 [xx,fval,exitflag,output,lambda,grad,HH]=fmincon('sfunction',x0,...
 [],[],[],[],-1,1,[],  options,...);

My question is if the set up

[],[],[],[],-1,1,[]

inside the fmincon function is the correct one.

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Answer 1

Star Strider 2017-12-25

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https://ww2.mathworks.cn/matlabcentral/answers/374482-setting-up-the-fminunc-function#answer_297651

‘My question is if the set up ... inside the fmincon function is the correct one.’

As I read the documentation, yes, it is, except for the ‘...’ after your ‘options’ call. I have not experimented with something like your code, but the extra ellipsis at the end of the argument list could throw an error. Try it and find out.