Tomas Pippia
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Tomas Pippiaさんの最近のアクティビティ-
Tomas Pippiaさんが投稿を作成しました:
Meaning of "Lazy constraints" in the optimization log
回答済みHello, I added lazy constraints to a model enumerating them using the Lazy property instead of doing it via callback. In the optimization logs, I see first: Extracted 400 lazy constraints and at t...
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Tomas Pippiaさんがコメントを作成しました:
Thank you very much Jaromił, that's very clear. I am now first creating the constraint and then changing their laziness attribute, i.e. lazy_constraints = model.addConstrs(...)for c in lazy_constra...
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Tomas Pippiaさんが投稿を作成しました:
Meaning of crushing user cuts
回答済みHello, I implemented user cuts with enumerated constraints using the Lazy property of constraints. In the logs now I see: "Crushed 5766 out of 5766 user cuts to presolved model" Does it mean that G...
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Tomas Pippiaさんが投稿を作成しました:
What does the index property in setObjectiveN do when it is set to 0?
回答済みsetObjectiveN has a property called "index". The documentation mentions that, for index=0, "this routine will change the primary optimization objective.". What does that mean? Which "routine" does ...
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Tomas Pippiaさんがコメントを作成しました:
Hi Jaromił, Thanks again for your reply, this indeed is very clarifying. I think what was said at the Gurobi Days event was that setPWLObj could be used together with setObjective - not setObjectiv...
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Tomas Pippiaさんがコメントを作成しました:
Hi Jaromił, thanks for your reply. Regarding the workaround using an auxiliary variable z, I am already using that as my current approach to use a piecewise linear objective. However, I was wonderi...
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Tomas Pippiaさんが投稿を作成しました:
Using PWL and Multi-Objectives together
回答済みIn this post, it is mentioned that setObjectiveN cannot be used together with setPWLObj. However, this week I have attended the Gurobi Days event in Paris and I believe it was mentioned that they c...