Drexel dragonThe Math ForumDonate to the Math Forum

Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.

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

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

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Milos Milenkovic

Posts: 185
Registered: 4/4/09
Re: QP problem
Posted: Dec 12, 2013 1:06 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Dear Alan,
problem solved, thank you.
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

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2015. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.