[Coin-symphony] How does one query the the constraint matrix?
Ted Ralphs
tkralphs at lehigh.edu
Fri Apr 22 18:57:15 EDT 2005
Michael Hennebry wrote:
>>This is certainly the safest thing to do. Since SYMPHONY is in C, direct
>>access to the MIP description is also available by looking at the
>>structure env->mip, which is of type MIPdesc. The fields of MIPdesc are
>>described in the manual. ...
>
>
> I couldn't find it. What do I click on?
It's here:
http://branchandcut.org/SYMPHONY/man/node206.html
>
>>... We could easily provide access methods for
>>looking at a particular matrix element if that was useful.
>
>
> That would be useful.
> Also useful would be the means to fetch a sparse or dense row or column.
OK, I added this to the TODO list...
Cheers,
Ted
--
Dr. Ted Ralphs
Assistant Professor
Industrial and Systems Engineering
Lehigh University
(610)758-4784
tkralphs at lehigh.edu
www.lehigh.edu/~tkr2
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