Your instance is hard for the glpk mip solver due to its size and combinatorial structure.
> What about increasing the error? I don't really care about having the optimal > solution, I do not need such a precision. > How can I change it ? Because if I stop it before it finds the optimal > solution, than I get no results.... I whish to be able to view a solution > even if it is not the optimal one. In case of mip to find *any* integer feasible solution is often as hard as to find the optimal one. > > Does anybody knows if such an option is possible ? > You may try to use a more powerful mip solver. See: http://www.neos-server.org/neos/ http://www.neos-server.org/neos/solvers/index.html _______________________________________________ Help-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-glpk
