Nan D

  • Gurobi-versary
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  • 合計アクティビティ 23
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Nan Dさんの最近のアクティビティ

  • Nan Dさんがコメントを作成しました:

    Hi Riley Thank you for your reply! So, if I understand you correctly, sadly the Gurobi log tools does not provide a timeline data frame for multi-objective problems?Do you have advice for logging d...

    コメントを表示 Nan D 0 件の投票

  • Nan Dさんが投稿を作成しました:

    Gurobi logtools Python package

    回答済み

    Hi!I just came across the open-source package “gurobi-logtools” that was made by the Gurobi support team. It seems like it’s the exact thing I am looking for. However, in the tech talk a question i...

    Nan D 2フォロワー 3件のコメント 0 件の投票

  • Nan Dさんがコメントを作成しました:

    Hi Jaromil, thank you for the explanation! I indeed see in the log that the model is solved as a MIP (Continuous model is non-convex — solving as a MIP). However, when I was solving different model...

    コメントを表示 Nan D 0 件の投票

  • Nan Dさんがコメントを作成しました:

    Hi Mario, thank you for your answer! It has gotten much clearer now what to do. I do wonder: why do we need a Gurobi Env for this use case? It’s the first time I see it, although I have solved othe...

    コメントを表示 Nan D 0 件の投票

  • Nan Dさんが投稿を作成しました:

    Running multiple (unrelated) LP models

    回答済み

    Hi, I would like to run multiple LP models automatically one after the other in Python (so not parallel). I will use a for loop for this and thus create a new LP model and solve it in each iteratio...

    Nan D 3フォロワー 3件のコメント 0 件の投票

  • Nan Dさんがコメントを作成しました:

    Hi,  Thank you for your quick reply. It’s clear! kind regards

    コメントを表示 Nan D 0 件の投票

  • Nan Dさんが投稿を作成しました:

    Gurobi Python lower bound not printed

    回答済み

    Hi! I’m using Gurobi in combination with Python. My model contains several variables that have a lower bound of zero. I added these by using the lb=0 parameter to the addVars() method (although I k...

    Nan D 編集済み 2フォロワー 2件のコメント 0 件の投票

  • Nan Dさんが投稿を作成しました:

    Worst-case complexity non-convex model

    回答済み

    Hi, I’m solving a non-convex quadratic problem with Gurobi and I was wondering what the worst-case complexity is. Is it exponential (i.e. O(2^n))? Thank you!

    Nan D 2フォロワー 3件のコメント 0 件の投票

  • Nan Dさんがコメントを作成しました:

    Thank you Jonasz Staszek and Jaromił Najman. It’s clear!

    コメントを表示 Nan D 0 件の投票

  • Nan Dさんが投稿を作成しました:

    Python quicksum() versus sum()

    回答済み

    Hi! I have a question about the Gurobi documentation of Pythons quicksum(). It says: “a version of the Python sum function that is much more efficient for building large Gurobi expressions”. Does t...

    Nan D 6フォロワー 5件のコメント 0 件の投票