Decision Optimization

Decision Optimization

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


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  • 1.  Does CPLEX 12.9 have limit in the number of variables or constraints?

    Posted 02/13/23 10:02 AM

    Hi,

    Does the product "<bx-table-cell _ngcontent-aur-c13="" class="dswdown-big-column" role="cell"><slot>IBM ILOG CPLEX Optimization Studio 12.9 for Linux x86-64 Multilingual</slot></bx-table-cell>" with the part number "<bx-table-cell _ngcontent-aur-c13="" role="cell">CNZM2ML</bx-table-cell>" have a limit in the number of variables or constraints for a model? 

    I downloaded it from the no-cost academic version and did not have a subscription. It works but I have no idea if there is a limit in variables or constriants.

    Thank you!

    Best regards,



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    Xuan Zhou
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  • 2.  RE: Does CPLEX 12.9 have limit in the number of variables or constraints?

    Posted 02/13/23 01:24 PM

    Dear Xuan,

    It actually depends on the amount of memory available on your machine.

    This discussion might help you get an idea:

    https://www.quora.com/How-many-variables-and-constraints-can-CPLEX-use-at-most

    I hope this helps.



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    Renaud Dumeur
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  • 3.  RE: Does CPLEX 12.9 have limit in the number of variables or constraints?

    Posted 07/17/23 09:36 AM

    Dear Renaud, please check the following,

    I am currently working on a research project that involves implementing branch and price. I would like to know if it is possible to access Cplex(Academic Initiative version) from Visual Studio using C# without the limitation of the number of variables (1000).


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    Carlos Suarez
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    Original Message