[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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