D

Gurobi-versary
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Activity overview

Latest activity by D
  • D created a post,

    Catastrophic Forgetting

    Answered

    Does gurobi suffer from catastrophic forgetting?

  • D created a post,

    Could different hardware give different results?

    Answered

    I am running the same model on two different PCs, and given the same parameters and time limit, one is giving about 0.055% optimality gap, while the other is giving 85% optimality gap and way lower...

  • D commented,

    over 3 hours

  • D commented,

    Yes, I am using jupyter notebook.  The problem is that it is stuck and it doesn't give any further messages after  Continuing optimization...

  • D created a post,

    Issue with Scaling the model

    Answered

    What could be the issue and how can I solve it, when I am having successful matches (solutions) for a small number of input dataset, however when I input a larger dataset that includes the smaller ...

  • D commented,

    What does parameter Heuristics do?  Also, can I write any model as .mps too?  And thanks for answering my original question. 

  • D created a post,

    Presolve

    Answered

    What does Presolve exactly do?

  • D created a post,

    Continuing optimization...

    Answered

    What does it mean when I see this in the log for a while "Continuing optimization... ", even though I used the parameter: model.Params.OutputFlag = 1, to get detailed information during the optimzi...

  • D created a post,

    Running consecutive optimizations on the same model

    Answered

    What exactly happens when I construct a model, run an optimization, then change the parameters, and run the optimization again? Does the second run learn from the first run and start where it left ...

  • D commented,

    There are no warnings. The model is written fine. I tested with MIPGap, but since the model is large it consumes too much time to get to MIPGap=0.  When I test a bigger number of elements that I wi...