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Topic: QP problem
Replies: 4   Last Post: Dec 12, 2013 1:06 PM

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Milos Milenkovic

Posts: 149
Registered: 4/4/09
Re: QP problem
Posted: Dec 12, 2013 1:06 PM
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Dear Alan,
problem solved, thank you.
Best,
M
Alan_Weiss <aweiss@mathworks.com> wrote in message <l7i72o$keo$1@newscl01ah.mathworks.com>...
> On 11/28/2013 2:15 PM, Milos Milenkovic wrote:
> > Dear all,
> > I try to solve a QP problem. After I used Interior Point algorithm I
> > have got the following message:
> > No feasible solution found.
> > quadprog stopped because it was unable to find a point that satisfies
> > the constraints within the default value of the constraint tolerance.
> > <stopping criteria details>
> > Do you have some idea how to identify the weaknesses-infeasibilities
> > in problem structure? Thanks in advance,
> > Milos

>
> There is a bit of documentation on this subject:
> http://www.mathworks.com/help/optim/ug/when-the-solver-fails.html#br44i73
>
> However, because quadprog could not find a feasible point, there is a
> very good chance that your constraints are inconsistent. I don't really
> know what to suggest except to eliminate some of the constraints to home
> in on the ones that are problematic.
>
> Good luck,
>
> Alan Weiss
> MATLAB mathematical toolbox documentation




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