HAONAN ZHONG
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Recent activity by HAONAN ZHONG-
Callback
AnsweredCan I replace the IP relaxation in the Branch and cut with my own algorithm using Callback?
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What to return when time limit reached in lazy callback?
Awaiting user inputHi, I run another gurobic model to find a constrain to add in the lazy separation. A time limit is set for the gurobic model in lazy. When it reaches time limit, I want both the model in lazy separ...
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Adding duplicate lazy constraints in Gurobi
AnsweredMy program will add a lazy constraint that may have been added to the model in the previous node. In this case, will Gurobi automatically identify and ignore the lazy constraint? Do I need to keep ...