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Variables fixing in Gurobi's B&B

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  • Simranjit Kaur
    Gurobi Staff Gurobi Staff

    Hi Federico,

    You can use the Model.cbGetNodeRel() method in a MIPNODE callback to get the node relaxation solution at a node. If your heuristic needs a feasible solution as a starting point, you can use the  Model.cbGetSolution() method in an MIPSOL callback to get a solution.

    Best regards,
    Simran

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