Also I'd like to mention OR-Library by J.E.Beasley which include a lot of instances in different areas of OR/MS:
http://people.brunel.ac.uk/~mastjjb/jeb/info.html Though all the instances are in plain text format, they can be easily converted, say, to cplex lp format or to MathProg models. _______________________________________________ Help-glpk mailing list Help-glpk@gnu.org http://lists.gnu.org/mailman/listinfo/help-glpk
