> And how about having an "OR" constraint, as in > a > 2 or b < 4
z = 1: a > 2 and b < b_max z = 0: a > a_min and b < 4 Thus, a > 2 * z + a_min * (1 - z) b < b_max * z + 4 * (1 - z) _______________________________________________ Help-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-glpk
