Hi, Heinrich, Thanks !
David On Fri, Dec 18, 2015 at 11:46 AM, Heinrich Schuchardt <[email protected]> wrote: > Hello Andrew, > > the MPS files in http://plato.asu.edu/ftp/lptestset/network/ > contain keyword OBJSENSE, which can take values MIN and MAX. > > Could you, please, consider adding support for this keyword in GLPK. > > See "Objective Sense and Name in MPS Files" in > http://cgm.cs.mcgill.ca/~avis/courses/567/cplex/reffileformatscplex.pdf > > @David > GLPK does not support the keyword currently. It will default to > minimization. Please, remove the keyword OBJSENSE and the value line > accompanying it. > > Best regards > > Heinrich Schuchardt > > On 18.12.2015 16:52, usa usa wrote: > > Hi, > > > > I am trying to use Win GLPK 4.57 > > (http://sourceforge.net/projects/winglpk/) to solve some large-sized > > linear programming models from Win 7 command line. > > > > *glpsol.exe --mps FileName * > > > > I have downloaded some LP problems from > > > > http://www.cuter.rl.ac.uk/Problems/netlib.html > > > > But, when I sovled it with GLPK, I got error: *missing indicator > record*. > > > > I am not sure SIF format can be read by GLPK. > > > > and > > > > http://plato.asu.edu/ftp/lptestset/network/ > > > > I got error: *invalid indicator record* > > > > Could someone recommand some websites where I can find large sized LP > > models (.mps or .lp) format so that I can solve them with GLPK 4.57. > > > > Any help would be appreciated. > > > > Thanks > > > > > > _______________________________________________ > > Help-glpk mailing list > > [email protected] > > https://lists.gnu.org/mailman/listinfo/help-glpk > > >
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