[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-glpk] MILP solutions using different solvers
From: |
Robbie Morrison |
Subject: |
Re: [Help-glpk] MILP solutions using different solvers |
Date: |
Sun, 3 Mar 2013 07:00:22 +1300 |
User-agent: |
SquirrelMail/1.4.22 |
Hi all
------------------------------------------------------------
To: Sundaravalli Narayanaswami <address@hidden>
Subject: Re: [Help-glpk] MILP solutions using different solvers
Message-ID: <address@hidden>
From: Andrew Makhorin <address@hidden>
Date: Sat, 02 Mar 2013 19:04:46 +0400
------------------------------------------------------------
> The objective function in your model has a
> constant term, so called "shift". When the model
> is passed directly to the glpk mip solver, the
> constant term is taken into account, however, it
> is not written to mps file. Probably you missed
> the message displayed by glpsol like this:
[snip]
The GLPK wikibook now contains this information:
http://en.wikibooks.org/wiki/GLPK/Troubleshooting#Objective_shift_term_ignored_when_exported
Robbie
---
Robbie Morrison
PhD student -- policy-oriented energy system simulation
Technical University of Berlin (TU-Berlin), Germany
University email (redirected) : address@hidden
Webmail (preferred) : address@hidden
[from Webmail client]