Decision Optimization

Decision Optimization

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

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  • 1.  regarding the presolve

    Posted Thu November 29, 2012 11:51 PM

    Originally posted by: Uonly


    When I was using callback functions to perform presolving on mip probolems and dump the presolved model.

    for example, It was said:
    "Reduced presolve eliminated 0 rows and 1 columns"

    Is there a way (method) to get to know which original column was eliminated?

    thanks
    #CPLEXOptimizers
    #DecisionOptimization


  • 2.  Re: regarding the presolve

    Posted Fri November 30, 2012 01:34 AM

    Originally posted by: SystemAdmin


    Function CPXgetprestat is your friend.
    #CPLEXOptimizers
    #DecisionOptimization