peilin chan
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peilin chanさんの最近のアクティビティ-
peilin chanさんがコメントを作成しました:
Hi Elisabeth, I did use the MIP Start to give a feasible solution. Here is the log: Set parameter MIPGap to value 0.05Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 22.3.0 2...
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peilin chanさんがコメントを作成しました:
Hi Elisabeth, Thanks for your advices. Since my problem is NP-hard, It is very hard to solve. So I have to spend all the time finding a better solution. I have read the Gurobi doc about Heuristic a...
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peilin chanさんが投稿を作成しました:
Does more threads mean quicker?
ユーザーの入力を待っています。Hi, I want to find a good-quality feasible solution as quick as possible, and do not care about the lower bound. so I have this setting: model.Params.Cuts = 0model.Params.MIPFocus = 1model.Params.R...
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peilin chanさんがコメントを作成しました:
Get it. Thank you David
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peilin chanさんがコメントを作成しました:
Hi David, Thanks for your advices. Does lazy cuts be considered in the following solve? The cuts I want to add is to exclude some unpromising feasible solutions, which is different from that in TSP...
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peilin chanさんが投稿を作成しました:
add constraints in callback
回答済みHi, I want to add some constraints in callback. When a better incumbent is found, that means some variable can be excluded(set to 0) because they can not be included in a better solution. How can i...