Hussein Sharadga

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Posts

Recent activity by Hussein Sharadga Recent activity Votes

  • Root relaxation solution

    Answered

    Hi Gurobi Community, I am solving a large MILP. Can the root relaxation result in a slightly different objective (1.2% difference) when formulating the problem in a different way? What I mean by fo...

    Hussein Sharadga Edited 2 followers 1 comment 0 votes

  • How to terminate gurobi solver?

    Answered

    Hello everyone, I'm currently working on solving a mixed-integer linear problem using Gurobi. The decision variables in this problem include both continuous and binary variables, with the binary va...

    Hussein Sharadga Edited 2 followers 2 comments 0 votes

  • Presolve is successful in removing all binary variables

    Answered

    Hi Gurobi Community! I have a problem with about 83832 binary variables. What does it mean when gurobi uses the Presolve, and now the Presolve removes all binary variables? Does that mean the probl...

    Hussein Sharadga Edited 1 follower 2 comments 0 votes

  • lower bounds of variables given by iterating over dictionary instead of matrix

    Answered

    I have a large problem with binary variables. The binary variables sometime should be one. This is given by the lower bound on this binary variable. The normal condition: lower bound=0, upper bound...

    Hussein Sharadga Edited 2 followers 1 comment 0 votes