Is there any parameter to remove duplicate equalities in LP equations' set?

Answered

Hayk Manukyan

January 06, 2023 06:16 Edited

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I have about 1.75mln equalities for solving LP minimization problem. I see there is a degradation of optimal objective if I add already existing equalities multiple times. Is there any parameter to remove duplicates or how can I handle this issue? I use Gurobi 9.0.1 (linux64) with C++ API. Thank you in advance.

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• Official comment

  

  Simranjit Kaur

  • Gurobi Staff

  November 13, 2026 01:50

  This post is more than two years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum, or try Gurobot, our chatbot interface offering instant, expert-level support.
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  Maliheh Aramon

  • Gurobi Staff

  January 05, 2023 21:23 Edited

  Hi Hayk, 

  Thank you for contacting us! Since you have a commercial account with us, you qualify for one-on-one support. We converted your post into a ticket in our Help Centre and will be in contact regarding your question shortly. 

  Best regards,

  Maliheh

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  Hayk Manukyan

  January 06, 2023 06:18

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  Hi Malileh,

  Could you please provide link or ticket number to see the progress?

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  Maliheh Aramon

  • Gurobi Staff

  January 06, 2023 08:18 Edited

  The ticket number can be seen in the green box on top of this page (it is #42674). Please check the inbox of the email your Gurobi account is associated with. A response is already sent.

  Best regards,

  Maliheh

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