Alexander Haberman

  • Gurobi-versary
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Alexander Habermanさんの最近のアクティビティ
  • Alexander Habermanさんが投稿を作成しました:

    Concurrent Optimizer and Infeasibility

    回答済み

    Is it possible to use concurrent but have gurobi continue with another algorithm if the first algorithm to terminate yields infeasibility or unboundedness

  • Alexander Habermanさんが投稿を作成しました:

    Crossover

    回答済み

    What does crossover do? When is it ok to disable it if I'm using barrier? I have an LP for which barrier gets a solution in minutes but crossover takes days.

  • Alexander Habermanさんが投稿を作成しました:

    Summing Variables by Indices in Python

    回答済み

    Let's say I have a set of variables x indexed from 1 to 100. How can I constrain the sum of all x indexed i or higher?

  • Alexander Habermanさんがコメントを作成しました:

    Thank you very much Maliheh! Your first suggestion worked great except that when I turned the hard LP into an MIP I got that the runtime of the MIP was faster than the original LP even without the ...

  • Alexander Habermanさんが投稿を作成しました:

    Verification without DStart

    進行中

    I have two LPs with the same variables but different constraints. I want to check my conjecture that the solutions to the two problems coincide. Unfortunately, one of the problems has an extremely ...

  • Alexander Habermanさんがコメントを作成しました:

    Thanks Richard, that is very helpful!

  • Alexander Habermanさんが投稿を作成しました:

    SOS Constraint with sum

    回答済み

    Is there a way to create a SOS constraint where one of the variables is a sum of variables? I have n+1 non-negative variables denoted x_1,...x_n, y and would like to add a constraint that either y=...