Zhibin Deng

Gurobi-versary
First Comment
First Question
  • Total activity 3
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 0
  • Subscriptions 0

Activity overview

Latest activity by Zhibin Deng
  • Zhibin Deng commented,

    Dear Sonja,   I set WHERE = GRB.Callback.MIPSOL. I check whether the current incumbent solution gives an SDP constraint by checking the minimal eigenvalue of the solution matrix "X". If the minimal...

  • Zhibin Deng commented,

    Sonja, thank you for your suggestion.   I used "callback" to add lazy constraints. I check, in my callback function, whether the incumbent solution satisfies the SDP constraint. If not, then a lazy...

  • Zhibin Deng created a post,

    Lazy constraints not working?

    I'm solving a mixed-integer semidefinite programming (SDP) problem using lazy constraints in the callback for the SDP constraint. That is, when Gurobi found a feasible solution, I add a lazy constr...