Should I dispose the original model after model.relax()?

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Lorenzo Moreschini

2022年03月19日 16:47

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I have built a model with integer variables in Python.

If at some point I need the relaxed version of the model and I know that I no longer need the original one, can I (or should I) call dispose() on the original one? I.e., is it safe to do as follows?

relaxed_model = original_model.relax()
original_model.dispose()
relaxed_model.optimize()

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  Simranjit Kaur

  • Gurobi Staff

  2025年11月16日 23:41

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  Jaromił Najman

  • Gurobi Staff

  2022年03月21日 08:26

  Yes, it is safe. The relax() method produces a copy of the original model. However, it is often best to dispose of all models at the end of the program for better readability unless memory requirements are of very high importance, e.g., when the model is very large.

  Best regards, 
  Jaromił

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