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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: fgoalattain: 3 GoalsExact to Achieve and 1 function to minimize
Replies: 6   Last Post: Jan 3, 2013 1:23 PM

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Posts: 134
Registered: 6/28/08
Re: fgoalattain: 3 GoalsExact to Achieve and 1 function to minimize
Posted: Dec 27, 2012 3:20 PM
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>
> Perhaps I should use 'nonlcon' and modify MyFun so that:
>
>
>
> Function [c,ceq] = Const(x,goal)
>
> [f4, f1_3] = MyFun(x)
>
> % f1_3 = y(1:3)
>
> % f4 = y(4)
>
> ceq = f1_3 - goal
>
> end
>
>
>
> And minimize f4. However any evaluation of my function, in actual a double computational effort. I would avoid this 'brute force' approach
>
> What's your opinion?

The new question is: do you know an approach to avoid a double computational effort?

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