> I have use GLPK since several year, and I am very satisfied with it. I > would like to thank your work!
Thank you for your interest in glpk. > Recently I discovered a problem. A use standalone version 4.34 on a > Windows XP [snip] > However the optimal solution to the second problem is a feasible > solution for the firt problem, so I am confused. Is there something I > left out of consideration? > This is a known phenomenon which may happen on badly scaled mips, because all computations are performed in inexact (floating-point) arithmetic. Could you post me your instance in gzipped mps or cplex format? Thanks. Andrew Makhorin _______________________________________________ Bug-glpk mailing list [email protected] https://lists.gnu.org/mailman/listinfo/bug-glpk
