[Couenne] Could Couenne accept a known feasible solution

Pietro Belotti petr.7b6 at gmail.com
Mon Apr 2 13:18:08 EDT 2018


Hi Suyun,

Couenne doesn't have a way to add a solution for use in pruning, so I think
only art_cutoff (see my other response) can be used.

Regards,
Pietro

On Sat, Mar 31, 2018 at 4:48 PM, Suyun Liu <sul217 at lehigh.edu> wrote:

> Hi all,
>
> I have a question about initialization. Could Couenne accept a known
> feasible solution (hence upper bound) to accelerate pruning nodes on the
> tree? If so, which options could be used to impose the feasible objective
> value to the solver?  It seems like artificial cutoff doesn't work as we
> want. I am using Pyomo as the interface and the warmstart is not supported
> actually.
>
> Thanks!
>
> Best Regards,
> Suyun
>
> _______________________________________________
> Couenne mailing list
> Couenne at list.coin-or.org
> https://list.coin-or.org/mailman/listinfo/couenne
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://list.coin-or.org/pipermail/couenne/attachments/20180402/14f63b7f/attachment.html>


More information about the Couenne mailing list