Decision Optimization

Decision Optimization

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

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  • 1.  Pivot Sequence

    Posted Thu October 13, 2011 01:47 PM

    Originally posted by: SystemAdmin


    Is it at all possible to determine the sequence of pivots that CPLEX took when optimizing a linear program with primal or dual simplex? As in, is it possible to get a list of which variable left the basis and which variable joined the basis at each iteration?

    (specifically interested in C Callable Library with Cplex 12.1 )
    #CPLEXOptimizers
    #DecisionOptimization


  • 2.  Re: Pivot Sequence

    Posted Fri October 14, 2011 03:34 AM

    Originally posted by: RWunderling


    You can display the pivoting sequence in an output channel by increasing the simplex the display level to 2. In the C API this is done by calling CPXsetintparam (env, CPX_PARAM_SIMDISPLAY, 2);

    • Roland

    #CPLEXOptimizers
    #DecisionOptimization


  • 3.  Re: Pivot Sequence

    Posted Mon October 24, 2011 02:33 PM

    Originally posted by: SystemAdmin


    Thanks for the reply. I'll have to try that out.
    #CPLEXOptimizers
    #DecisionOptimization


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