Amir Ghiasi Noughaby

  • Gurobi-versary
  • First Comment
  • Curious
  • 合計アクティビティ 12
  • 前回のアクティビティ
  • メンバー登録日
  • フォロー 0ユーザー
  • フォロワー 0ユーザー
  • 投票 0
  • サブスクリプション 5

アクティビティの概要

Amir Ghiasi Noughabyさんの最近のアクティビティ
  • Amir Ghiasi Noughabyさんがコメントを作成しました:

    Thanks for your response.  I understood the model is written in another path, and I fixed the problem.     

  • Amir Ghiasi Noughabyさんが投稿を作成しました:

    dynamic modeling

    回答済み

    Hi,  I need to add a constraint to my model that would be changed after each branching. To clarify it better, I should mention that I have binary variables, named y and x. The relation between them...

  • Amir Ghiasi Noughabyさんが投稿を作成しました:

    write model

    回答済み

    Hi,  Although my model is solved by the solver, and I get the result, the model.write("master.lp") doesn't store any file in my directories. What should I do to solve this issue?  

  • Amir Ghiasi Noughabyさんが投稿を作成しました:

    set the value of unused variables

    回答済み

    Hi,  In my model, there are some unused binary variables. I want to set the default value of them zero rather than one. How can I do this?   Thanks  

  • Amir Ghiasi Noughabyさんがコメントを作成しました:

    Thanks for your response  I have added this model._counter to the callback, and when the model is solved, I print the value of it. However, it is not as same as the LOG value. Why it could happen?    

  • Amir Ghiasi Noughabyさんが投稿を作成しました:

    what does the summary information in logfile for callback means

    回答済み

    Hi,  I use a callback in my model and call another solver in it. After my problem is solved by Gurobi solver, at log output it mentions that  "User-callback calls 62, time in user-callback 2.76 sec...

  • Amir Ghiasi Noughabyさんが投稿を作成しました:

    classify decision variables according their value in the user callback

    回答済み

    Hi,  1) For my callback function, I need to get the value of some decision variables rather than all of them and pass them into model.cbGetSolution. The getVars() method return all the values, but ...