Hello John, sorry for the empty mail.
The documentation teaches: >> Being added to the problem object each column is initially >> fixed at zero, i.e. its type is GLP_FX and both bounds are 0. Please, use glp_set_col_bnds to set the column bounds. Best regards Xypron -------- Original-Nachricht -------- > Datum: Fri, 6 Jan 2012 13:27:04 -0600 > Von: John Perry <[email protected]> > An: "[email protected]" <[email protected]> > Betreff: [Help-glpk] setting up a basic LP using glp_set_mat_row > Hi > > I'm trying to set up an LP using glp_set_mat_row. As I understand it, I > need to > (1) create a problem > (2) set an objective direction > (3) set the objective function's coefficients > (4) create columns > (5) create rows > (6) set the rows > (7) solve > > The system I'm trying is simple: x >= 1, y >= 1, minimizing x + y. This > has the solution (1,1), but the solver tells me there is no solution. > > I'm sure I'm setting it up wrong, but I don't know what. I've attached > code below; can anyone tell me what I'm doing wrong? > > (If my etiquette is wrong, can anyone tell me how I should go about asking > the question?) > > regards > john perry > -- Follow me at http://twitter.com/#!/xypron NEU: FreePhone - 0ct/min Handyspartarif mit Geld-zurück-Garantie! Jetzt informieren: http://www.gmx.net/de/go/freephone _______________________________________________ Help-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
