Dongjun Cai
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Dongjun Caiさんの最近のアクティビティ-
Dongjun Caiさんが投稿を作成しました:
Model is Unbounded
回答済みDear all, I encountered error says model is unbounded. The model is formulated as a MIP minimization problem. I wonder how to debug the unbounded issues. Are there any function calls could help lik...
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Dongjun Caiさんが投稿を作成しました:
Model Infeasible troubleshooting (m.computeIIS() gets stuck)
回答済みHi, Recently, i set up a model in Gurobi. It shows that the model is infeasible. In order to troubleshoot the error. I hope to use the following codes to generate the ilp file : m.computeIIS()m.wri...
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Dongjun Caiさんが投稿を作成しました:
GurobiError: Constraint has no bool value (are you trying "lb <= expr <= ub"?)
ユーザーの入力を待っています。Hi, Recently, i had this issue when i added a constraints statement : ~\AppData\Local\Temp/ipykernel_18284/4133350432.py in <module> 34 m.addConstrs((T5[i] + Px <= T2[j] + (1-s[i,j,g])*M for i...
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Dongjun Caiさんがコメントを作成しました:
Thanks Alison for your attention.The problem has been resolved. Some mistakes in my code. :)
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Dongjun Caiさんが投稿を作成しました:
Solve Gurobi multiple times avoid infeasible model
回答済みHi, I created a python loop to solve a model with gurobi iteratively. In each iteration, i just change different parameters. However, sometimes, the new parameters will cause the model infeasible....
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Dongjun Caiさんが投稿を作成しました:
Constraints does not work
回答済みBased on the results x[8,3,R1] = 1, Ti_1[3] =22, Ti_2[8] = 34. But it valid the the highlighted constraint. i don't know why it allows the results...???
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Dongjun Caiさんが投稿を作成しました:
No HostID specified in license file
回答済みHi, I got the following output when i run my program: No HostID specified in license file I added the system variables for the license file. But it remains the same. Please help to suggest!