Why is it not feasible to add feasible equality constraints？

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TINGJUN LI

2020年11月26日 18:19

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I hope to get dual values of some constraints in a MIP problem , according to the method in the paper, I fixed the problem with equality constraints after solving the integer variables (note that I can't turn these variables into constant, because the dual value is affected by these variables).But I found that the modified problem was not feasible, even though I knew it had a solution, what was the reason and how should I do it?thanks!

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  Simranjit Kaur

  • Gurobi Staff

  2024年12月06日 00:39

  This post is more than three 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 why not try our AI Gurobot?.
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  Jaromił Najman

  • Gurobi Staff

  2020年11月27日 08:27

  Hi,

  Could you provide a minimum working example? It would be best to post a short self-contained Python code to reproduce the issue you describe.

  Best regards,
  Jaromił

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