Cheng-Lung Chen

  • Gurobi-versary
  • First Comment
  • First Question
  • Total activity 6
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 0
  • Subscriptions 2

Posts

Recent activity by Cheng-Lung Chen Recent activity Votes

  • Can we add user cuts on root node only?

    Answered

    Hi,  I believe this is an easy question but I couldn't find any related post. In my branch-and-cut, below is how I code the user cut callback if where == GRB.Callback.MIPNODE: status = MyModel.c...

    Cheng-Lung Chen 4 followers 3 comments 0 votes

  • Branch-and-cut performance and PreCrush

    Answered

    Hello,  I am implementing a branch-and-cut algorithm with my own user cuts. Initially, I forgot to change the PreCrush parameter to 1. I quickly realize this is necessary for user cut callback and ...

    Cheng-Lung Chen 3 followers 3 comments 0 votes