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non LP-optimal heuristic integer solution at CB_MIPSOL

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3 comments

  • Official comment
    Simranjit Kaur
    Gurobi Staff Gurobi Staff
    This post is more than three years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum. Or why not try our AI Gurobot?.
  • Maliheh Aramon
    Gurobi Staff Gurobi Staff

    Hi Sophie,

    Yes, you are correct. There are different mechanisms embedded in Gurobi to find incumbent solutions and there is no guarantee that these heuristic solutions are LP-optimal given the fixed integral variables.

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  • Sophie Demassey
    Gurobi-versary
    First Comment
    First Question

    And so I now have a feature request: tagged solutions to not to have to check their quality by ourselves !

    Thank you very much Maliheh.

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