Question about new constraint and reoptimize

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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.

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  • Rafael González

    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.

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