David Torres Sanchez
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David Torres Sanchezさんの最近のアクティビティ-
David Torres Sanchezさんがコメントを作成しました:
Hi Kavitha, I have opened a ticket to help you with this. Cheers, David
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David Torres Sanchezさんがコメントを作成しました:
However, this method is not yet documented for public API usage. Instead, users typically need to analyze the .lp file manually or reconstruct expressions based on constraint structure. To correc...
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David Torres Sanchezさんがコメントを作成しました:
Hi Botan, This could be the effects of performance variability: What is performance variability? But a few ingredients are missing from the script: Setting the Seed parameter for every iteration D...
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David Torres Sanchezさんがコメントを作成しました:
Hi Botan, These runtimes are so very small. Have you tried running the same experiment without solving the model? Also, what version of Gurobi are you using? We resolved a related issue in version ...
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David Torres Sanchezさんがコメントを作成しました:
Hi Jisoon, You can start with a subset of columns (e.g., the solution from a heuristic), but I'm confused because it sounds like you're starting with all of them.Won't fixing variables affect the d...
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David Torres Sanchezさんがコメントを作成しました:
Hi Jisoon, How are you generating the variables beforehand, and how are you choosing which ones are set to 0? You need to solve the intermediate RMP to get the duals that are used in the pricing pr...
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David Torres Sanchezさんがコメントを作成しました:
Hi Alessandra, The syntax is model.getVarByName new_model.getVarByName("x") Of course you only need to get the variables you want to use in the new constraint. Or the ones you want to query solutio...
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David Torres Sanchezさんがコメントを作成しました:
Hi Alessandra, The model is copied but the variable objects that you created for the first model are still only attached to that one. You have to get the variables associated with the second model ...
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David Torres Sanchezさんがコメントを作成しました:
Hi Cord, I have some good news to share! We've just released Gurobi 12.0.1, and it includes Python 3.13 support and a nice banner as you suggested: https://pypi.org/project/gurobipy/#description Th...
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David Torres Sanchezさんがコメントを作成しました:
Thanks for the code. It seems that I also need to run this in a Jupyter notebook? Have you tried running it as a Python script? Is there anything interesting in the Jupyter Log that points to a clu...