Decision Optimization

Decision Optimization

Delivers prescriptive analytics capabilities and decision intelligence to improve decision-making.

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fixed varibales branch and bound

  • 1.  fixed varibales branch and bound

    Posted Sun December 14, 2008 11:33 PM

    Originally posted by: SystemAdmin


    [ozaltn said:]

    How do I get the fixed integer variables at a node of the B&B tree using CPLEX callbacks?

    Thanks

    --osman
    #CPLEXOptimizers
    #DecisionOptimization


  • 2.  Re: fixed varibales branch and bound

    Posted Tue December 16, 2008 06:15 PM

    Originally posted by: SystemAdmin


    [prubin said:]

    Try using a control callback.  In it, use getLBs and getUBs to get the lower and upper bounds of the integer variables, and look for variables where the bounds are equal.

    /Paul
    #CPLEXOptimizers
    #DecisionOptimization


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