Thomas Leveringhaus

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Recent activity by Thomas Leveringhaus Recent activity Votes
  • general discrete variables in gurobi

    Answered

    Dear Gurobi-Team, is there any (direct) way to model general discrete variables in gurobi? What I mean are variables that take ("countable") specific integer or also specific non-integer values, e....

  • lazy lower bound and upper bound for Vars

    Answered

    Dear Gurobi Team, I am trying to speed up the solution of an optimization problem and reduce the size of the problem. I am already using the "lazy" option for some inequality constraints of which I...

  • Interactions between partition heuristic and presolve

    Answered

    Dear Gurubi Team, if I have two variables x1 & x2 (and others) in my model and x1 and x2 have different attributes with respect to the partition heuristic. Additionally, if I have a constraint (or ...

  • multiple start vectors in matlab

    Answered

    Dear Gurobi-Team, I would like to submit more than one MIP start to gurobi, and if I understand everything right, this is generally possible:https://www.gurobi.com/documentation/9.1/refman/start.ht...

  • Questions regarding partition heuristic, branching priorities & DistributedMIPJobs

    Answered

    Hi everybody, I'd appreciate it if you'd answer my questions regarding branching priorities, the partition heuristic, their interactions and the operating principle of DistributedMIPJobs. I have tr...