Decision Optimization

Decision Optimization

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


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  • 1.  feasability question

    Posted 01/08/12 05:27 AM

    Originally posted by: XPAN_Zaharia_dragos


    Hello everybody,

    I am an occasional user of CPLEX. One week before I posted I thread on this forum, but having no answer, I am telling me that the question was wrong formulated, so i decided to come back with a simplified version.
    So I have a CPLEX model with some 20,000 binary decision variables in LP (Linear programming) . These binary decision variables are organised as a matrix of about 140 x 150.
    So, the question now:
    This number of binary decision variables is something which is a feasible, or it is something which is out of question to be solved in a reasonable time ?
    The reasons which are making me to hope that this is a realistic task are that the matrix is largelly sparse.

    Thanks in advance for any suggestion or comment.
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