MIP start did not produce a new incumbent solution

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6 comments

  • Daniel Espinoza

    Hi Taner,

    I guess you are using 8.1.1? If so, from what you explain this seems a bit odd, maybe you can share a minimal example where I can reproduce this? If you can, contact me directly at espinoza at gurobi dot com

    Daniel

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  • TAO REN

    Hi, Taner,

    Your description is quite clear. I have got the same question as you. I also tried my best to solve this problem. But unfortunately, it did not work. 

    So have your question been solved? Many thanks for any experience shared.

     

    TAO

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  • Yauhen Yakimenka

    Just out of curiosity, has the problem been finally solved? (I encountered the same message and googling brought me here. However, I don't know if I have the same issue - it may be just mistakes on my input :) )

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  • Taner Cokyasar

    @Yauhen, it was all my bad. My solution was not really feasible. I thought it was a feasible solution and was wrong. Thanks to Daniel, I could verify it.

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  • Yauhen Yakimenka

    Thanks, Taner Cokyasar. It seems I might have also a mistaken initial feasible solution. I wonder if there is a way to check the solution I set as start. Ideally, is it possible to see which constraints my provided start solution does NOT satisfy?..

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  • Yauhen Yakimenka

    Okay, I perhaps better post it as a separate question as it might be useful for other users too.

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