Skip to main content

Question about new constraint and reoptimize

Answered

Comments

2 comments

  • Daniel Espinoza

    Hi Rafael,

    Well, if you are solving an LP, and you want to reuse previous information (e.g. the basis), then I recommend either disabling dual reductions, or even disabling all presolve. That might ever further speed-up the LP approach. Also, it might be that finding your good cut is too time consuming in python, I would do some time profiling of that part.

    1
  • Rafael González
    Gurobi-versary
    First Question
    First Comment

    Hi Daniel, 

    For  the matching problem there are some heuristics for finding cutting planes without using flow-networks methods.

    Disabling dual-reductions works incredible. 

    Thank you very much.

    0

Please sign in to leave a comment.