> Is there any interaction between presolve and restarting with the dual? > I set the presolve "on" before the first call to the simplex method.
The presolver must be disabled before re-optimization. If it is enabled, the current basis is ignored that makes re-optimizaton impossible. _______________________________________________ Help-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-glpk
