[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-glpk] Callbacks for column generation
|
From: |
Andrew Makhorin |
|
Subject: |
Re: [Help-glpk] Callbacks for column generation |
|
Date: |
Thu, 10 Dec 2009 05:13:47 +0300 |
> Thanks, another question, can you get the final branch and bound tree
> after the mip is solved?, i could add columns in each node and then
> add to the initial relaxation and re-optimize.
The glpk mip solver does not keep fathomed nodes, so if the mip is
solved (to optimality), the final tree is empty.