This thread is getting more and more exciting :) The Zimpl User Guide gives examples of reformulations that made the solution process much faster:
Section 5 - Modeling examples http://zimpl.zib.de/download/zimpl.pdf It appeared earlier on this mailing list before: AIMMS Modeling Guide - Integer Programming Tricks http://www.aimms.com/aimms/download/manuals/AIMMS3OM_IntegerProgrammingTricks.pdf Although it is not MILP, someone may find this one also useful: AIMMS Modeling Guide - Linear Programming Tricks http://www.aimms.com/aimms/download/manuals/AIMMS3OM_LinearProgrammingTricks.pdf Ali _______________________________________________ Help-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-glpk
