Matheus Ota

  • Gurobi-versary
  • Conversationalist
  • First Question
  • Total activity 14
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 0
  • Subscriptions 4

Posts

Recent activity by Matheus Ota Recent activity Votes

  • Suggestions for debugging double free error?

    Answered

    Hi,I've implemented a branch-and-cut algorithm in C++ with Gurobi that adds several families of cuts. In some instances, whenever I add one of these families of cuts (call it Cut X), the program cr...

    Matheus Ota Edited 2 followers 6 comments 0 votes

  • Early Branching in Branch-and-Cut

    Hi, I'm have implemented a branch-and-cut algorithm using Gurobi, but in order to improve its performance, I want to detect when no significant changes happens during the (LP<->separation) loop, an...

    Matheus Ota 3 followers 7 comments 0 votes

  • Integer objective function

    Answered

    Hi All, I have a maximization model where the objective function is a real variable. But this variable is a sum of binary variables multiplied by integer weights. When solving the formulation with ...

    Matheus Ota 3 followers 3 comments 0 votes

  • Get current BnB node depth

    Answered

    Hi all, Is there any way of getting the current node depth in the GRBCallback? I know that it is possible to get the node count using GRB_CB_MIPNODE_NODCNT, and that if this count is zero, then we ...

    Matheus Ota 7 followers 6 comments 0 votes