Sibo Li
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Sibo Liさんの最近のアクティビティ-
Sibo Liさんがコメントを作成しました:
Hi Riley,I set the model with default parameters, but no improvement is observed. And No Relaxation Heuristic seems not working either.However, a gap of about 20% is not perfect but acceptable for ...
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Sibo Liさんがコメントを作成しました:
Hi Riley,Thanks for reminding me that, actually Crossover=0 is set as I copied the parameters from another problem, where crossover takes too much time. I have tried enabling crossover and that he...
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Sibo Liさんがコメントを作成しました:
Thanks a lot, Riley,I have been trying multiple times for one instance of our model, it seems that whether the problem can be solved is not random, but depends on the specific input of different ca...
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Sibo Liさんが投稿を作成しました:
MIP stuck in branch-and-cut in some situations
回答済みHello everyone,I am solving a series of similar MIP problems in size, #constraints, and other statistics. While some can be solved successfully, others may be stuck in branch-and-cut. It is quite s...