Yifeng Mao
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Yifeng Maoさんの最近のアクティビティ-
Yifeng Maoさんが投稿を作成しました:
Academic WLS license session error
回答済みHi Gurobi team, I am facing a session error when using my academic WLS license on the high performance computing cluster of my university. The error showed: with gp.Model() as model: File "src...
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Yifeng Maoさんがコメントを作成しました:
Hi Ryuta, Thanks for your prompt reply. Your solution works well on this simple toy case. What I am trying to solve is a more complex MIP problem with initialization of several unknown variables...
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Yifeng Maoさんが投稿を作成しました:
How to find a feasible solution that are most close to given starting values
回答済みHi there, I am running the following piece of code. In the code, I already initialized the two variables, and the objective function was set as 0. What I expect is the solver outputting two initial...
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Yifeng Maoさんがコメントを作成しました:
Hi Riley, Thanks for your prompt reply. I think evaluating the SQL queries in a database could be regarded as solving constraint satisfaction problem. The entry values in the database are se...
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Yifeng Maoさんが投稿を作成しました:
How to describe SQL IN statement using Gurobi constraints
回答済みHello, I am wondering how to use constraint to efficiently describe the IN statement of the SQL query.For example, could you give me the gurobi constraint that describes the SQL query of SELECT COU...
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Yifeng Maoさんが投稿を作成しました:
How many digits that gurobi continuous variable uses?
回答済みHi Gurobi community, I saw Gurobi.INTEGER is taking 32 bits to represent the value of variable. Thus, I am asking for the number of digits that a Gurobi.CONTINUOUS variable will take to represen...
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Yifeng Maoさんがコメントを作成しました:
Hi David, Thanks for the previous help. I think I met another problem on the precision of GRB.BINARY variables. Here the binary variables are showing values like 0.9999999999999999978 and 1....
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Yifeng Maoさんがコメントを作成しました:
Hi David, First, I want to thank you for the reply! However, the method you mentioned didn't work. I want to assign value to a tabular consisting of 5 rows and 5 columns (column name A, B, C...
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Yifeng Maoさんがコメントを作成しました:
Hi David,I slightly change the number of variables and the number of constraints in my latest experiments.Here is the log from Gurobi solver:Could you take a look?Thank you very much for your help!...
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Yifeng Maoさんがコメントを作成しました:
Hi David, Thanks for the prompt reply. I already set up PoolSolution to 1000 (this is large enough) and PoolSearchMode to 2, but the solver only returns one feasible solution. I should explai...