Model is Unbounded

Answered

Dongjun Cai

November 11, 2022 07:00

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Dear all,

I encountered error says model is unbounded. The model is formulated as a MIP minimization problem. I wonder how to debug the unbounded issues. Are there any function calls could help like showing the wrong constraints. Thanks  

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• Official comment

  

  Simranjit Kaur

  • Gurobi Staff

  November 16, 2025 23:25

  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 try Gurobot, our chatbot interface offering instant, expert-level support.
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  Marika Karbstein

  • Gurobi Staff

  November 11, 2022 07:12

  Please check this article How do I resolve the error "Model is infeasible or unbounded"? – Gurobi Help Center

  To get a continuous relaxation of your MIP model you can use model.relax() (or appropriate for another API).

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