Jie Zhu
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Jie Zhuさんの最近のアクティビティ-
Jie Zhuさんがコメントを作成しました:
Thank you very much, the problem has been solved by following your improvements!
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Jie Zhuさんがコメントを作成しました:
Thank you very much for your reply, the code below is the minimum repeatability example corresponding to my model, in this example, the code in bold runs for more than 40 seconds. In my actual mode...
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Jie Zhuさんが投稿を作成しました:
My code takes much more time for the modeling part than for the solution, how can I improve it?
回答済みDear Support Team, I hope this message finds you well. I am writing to seek assistance with an issue I've encountered while running an optimization problem using Gurobi for Python. When I model the...
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Jie Zhuさんがコメントを作成しました:
Thank you very much for your answer. However, after I changed some parameters in the model (see Onetrive link below), the problem of the Q matrix not being a semi-positive definite matrix persists....
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Jie Zhuさんがコメントを作成しました:
Thank you very much for your reply. I realize that the linear constraint I added may cause the model to not have a feasible solution, and the coefficients of this constraint are parameters that I a...
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Jie Zhuさんがコメントを作成しました:
Thank you very much for your reply, I have put the LP files for the feasible and infeasible models into the onetrive link below. The difference between the two is the linear constraints shown in li...
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Jie Zhuさんが投稿を作成しました:
Why does adding a linear constraint to my existing second-order cone model result in a message that the Q matrix is not semi-positive definite?
進行中Dear Support Team, I hope this message finds you well. I am writing to seek assistance with an issue I've encountered while running an optimization problem using Gurobi for Python. When I run a mod...