Steven Edwards

Gurobi Staff Gurobi Staff
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Activity overview

Latest activity by Steven Edwards
  • Steven Edwards commented,

    Hi Vadim, Thanks for the clarification. Yes, it should be possible to express the model just in terms of the x and y variables. Well really, you only need the first of the x variables, x[0]. From x...

  • Steven Edwards commented,

    Hi Vadim, Glad to hear you resolved the issue :-). It isn't clear to me what you mean by "define z to be a dictionary and not a variable, Gurobi tells me the model is infeasible". I would encourage...

  • Steven Edwards commented,

    Official comment

    Hi Vadim, Thanks for reaching out. I tried running that code you sent through and I get a feasible solution, although slightly different from the one you mention; mine has X=3. It is not clear to m...

  • Steven Edwards commented,

    Hi Sean, Thanks for reaching out. That is quite peculiar. I notice that you are using 9.1.1 and also that a Compute Server Worker is involved. Can you first try upgrading to 9.1.2 and seeing whethe...

  • Steven Edwards commented,

    Apologies, the typesetting was confused. That line should be, print(m.Params.MIPGap)

  • Steven Edwards commented,

    Hi Deanna, This really is strange. Although it appears you are setting the MIPGap parameter with m.setParam('MIPGap', 0), the log file suggests that this update is not coming through. Gwyneth, was ...

  • Steven Edwards created an article,

    What is the appropriate value for a Compute Server JobLimit?

    As Gurobi is computationally intensive, by default it will try and use as many cores as possible. When solving multiple models on the same machine at the same time, care must be taken as to not ove...