addGenConstrPWL in Python

Answered

Carlos Olivos

September 27, 2022 14:46

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Hello community, 

I am trying to implement an "addGenConstrPWL". In some case the model works but in others I get this error:

gurobipy.GurobiError: the last piece of PWL constraint has length < 1e-6, cannot be extended to x's ub

I could not find something similar. What is the meaning? How could I fix it? 

Best 

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• Official comment

  

  Simranjit Kaur

  • Gurobi Staff

  November 16, 2025 23:27

  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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  Jaromił Najman

  • Gurobi Staff

  September 29, 2022 13:20

  Could you please post a minimal reproducible example?

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  Carlos Olivos

  September 29, 2022 13:24

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  My apologies, I think I understood the error.

  The "x" I was providing for the PWL constraint needs to have a difference at least of 1e-6 between consecutive "x"s. 

  Best.  

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