Joshua Shea

  • Gurobi-versary
  • First Question
  • First Comment
  • 合計アクティビティ 7
  • 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 3

アクティビティの概要

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

    Automated approach to improving numerical stability

    回答済み

    Hello,   I solve QCQPs in a statistical context. This means the coefficients in the QCQP problem are not known beforehand. Instead, they must be estimated.   I have been running into stability issu...

  • Joshua Sheaさんが投稿を作成しました:

    R API converges but Gurobi shell does not (for the same MPS file)

    Hello, If the MPS file below is loaded into R and passed to the Gurobi API, a solution is obtained in 13,581 iterations (in roughly 10 minutes). However, when loaded into the Gurobi shell on Window...

  • Joshua Sheaさんがコメントを作成しました:

    Hello again,   I'm running into a similar problem again.   Specifically, if the MPS file below is loaded into R and passed to the Gurobi API, a solution is obtained in 13,581 iterations (in roughly...

  • Joshua Sheaさんが投稿を作成しました:

    R API behaving differently from Gurobi via command line

    Hello,   I am running into a strange problem where a model I constructed in R is apparently infeasible or unbounded (Gurobi return status is INF_OR_UNBD). However, I if I set the parameter dualredu...