BISWAJIT KAR

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BISWAJIT KARさんの最近のアクティビティ
  • BISWAJIT KARさんが投稿を作成しました:

    Benders Decomposition, Column Generation

    回答済み

    Is it possible for me to use Gurobi for solving the Problem with column generation or benders Decomposition? Or so I have to code that myself?

  • BISWAJIT KARさんがコメントを作成しました:

    Hi Jaromił Najman, I am very grateful to you for the clarification that you have provided.  I am afraid that the question is an assignment problem and it cannot be changed. But I want to thank you ...

  • BISWAJIT KARさんがコメントを作成しました:

    Dear Zed Dean, Thanks a lot for your response. The above question is just an example. I am solving similar questions. I am still getting a bit confused. So, is the following how the code is suppose...

  • BISWAJIT KARさんがコメントを作成しました:

    Hi Jaromił Najman, I have mentioned one objective and one constraint. I am sharing the code now m=gp.Model('Matelco')x1=m.addVar(vtype=GRB.CONTINUOUS, name ='x1')x2=m.addVar(vtype=GRB.CONTINUOUS, n...

  • BISWAJIT KARさんが投稿を作成しました:

    Float exponent of a variable

    進行中

    if the objective function is  x^0.2+y^0.4 the n how to solve such problems? Do we still have to introduce auxiliary variable and constraint?

  • BISWAJIT KARさんが投稿を作成しました:

    How to raise the power of a variable?

    回答済み

    I have to solve a Non linear problem, with one constraint. The objective function goes like 10*x1^4+8*x2^5+12*x3^3+16*x4^6 Constraint is x1+x2+x3+x4<=100 For solving this I have introduced 8 au...

  • BISWAJIT KARさんが投稿を作成しました:

    Solving a non linear Programming

    回答済み

    How do I solve this using Gurobi? Kindly reply.

  • BISWAJIT KARさんが投稿を作成しました:

    Why does the model not converge to a solution?

    回答済み

    This is a screenshot of the running problem. It's been stuck in the 18.4% for quite some time. Why dies this happen? 

  • BISWAJIT KARさんが投稿を作成しました:

    Out of Memory Problem

    回答済み

    I had set he NodeFileStart to 0 and 0.5 at different times, but it's still showing the error as  Out of Memory. Any Suggestion would be really appreciated. 

  • BISWAJIT KARさんが投稿を作成しました:

    No module named 'gurobipy'

    ユーザーの入力を待っています。

    I created a new environment in conda. Now I installed Gurobi again in that environment and also updated the license. Still, it is showing No module named 'gurobipy' In the base environment, it was ...