Mingze Li
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Activity overview
Latest activity by Mingze Li-
Mingze Li commented,
I see. Thank you, Riley.
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Mingze Li commented,
I have a some complex conditional constraints in my model. I wonder if those would caused those problems. For example, a <= b + (3 - c - d- e) and a >= b + (3 - c - d- e), where all the variables a...
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Mingze Li commented,
Jaromil, I watched the tech talk and reformulated my model. It helped a lot. Now it is able to find the first feasible point in about 700 seconds. However, it still stuck at some iteration for a lo...
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Mingze Li commented,
Jaromil, Thank you for your suggestions. I am not able to share the model in here, but I am sure the talk would be helpful. I will look at the talk. Thank you!
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Mingze Li created a post,
MIP stopped for a long time in one iteration
AnsweredHi, I am solving an MIP model for a facility layout problem. I found it strange that the model takes very long at the iteration at 1010 seconds. That iteration took almost 8000 seconds, while most ...
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Mingze Li commented,
Simranjit, I have tried changing MIPfocus parameter. I will try the other parameters. Thank you for the paper!
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Mingze Li created a post,
Best Objective Bound Does not Change
AnsweredHi, I have an MIP model. Although by looking at the output, I know that it has found the optimal solution very early, the best objective bound does not change, so the model is not able to prove opt...