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Does the application of a callback function change the solution path?

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  • 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?.
  • Jaromił Najman
    Gurobi Staff Gurobi Staff

    Hi Jihye,

    As commented in your other post, user cuts/lazy constraints can be useful only at a certain stage of the optimization process and then dropped later such that they do not occur in the "Cuts statistics". Thus, applying a callback function can certainly change the solution path in a positive or negative way. In your case, applying user cuts improves the performance of the optimization.

    Best regards,
    Jaromił

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  • Jihye Jung
    Gurobi-versary
    First Comment
    First Question

    Hi Jaromił,

    My test results are being interpreted quite positively thanks to your answers.
    I desperately needed an answer, thank you very much.

    Best regards,
    Jihye

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