Hi Andrew, Noli, all ------------------------------------------------------------ To: Noli Sicad <[email protected]> Subject: Re: [Help-glpk] MIP Solvers (i.e CBC, CPLEX, GLPK, GUROBI, Message-ID: <1353735730.1943.3.camel@corvax> From: Andrew Makhorin <[email protected]> Date: Sat, 24 Nov 2012 09:42:10 +0400 ------------------------------------------------------------
Andrew Makhorin wrote: >> >> That looks confusing? The "maximize" in the model >> >> statement should be picked up, surely?? In which case >> >> the "--max" should be unnecessary (except to override >> >> a "minimize" in the code, from the command line). >> > >> > The mps format does not allow specifying the objective sense. >> > >> >> >> >> Or am I missing something? >> >> Here's the thread about this Fixed MPS that does not allow specifying >> an objective sense. >> >> http://www.mail-archive.com/[email protected]/msg02253.html >> >> Free MPS do can (see the lower portion of the link (below) - i.e. Free >> MPS)). >> >> http://lpsolve.sourceforge.net/5.1/mps-format.htm > > OBJSENSE is a non-standard extension. See > http://www.cenapad.unicamp.br/parque/manuais/OSL/oslweb/features/featur11.htm Please see: http://en.wikibooks.org/wiki/GLPK/Troubleshooting#MPS_formats_and_OBJSENSE I think that the new material is correct, let me know if it is not. TIA. Robbie --- Robbie Morrison PhD student -- policy-oriented energy system simulation Technical University of Berlin (TU-Berlin), Germany University email (redirected) : [email protected] Webmail (preferred) : [email protected] [from Webmail client] _______________________________________________ Help-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
