Taylor Leonard

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Posts

Recent activity by Taylor Leonard Recent activity Votes
  • Indicator Constraint with Multiple Conditions

    Answered

    I use indicator constraints regularly for their convenience, but is there currently a way to introduce an indicator constraint with multiple binary variable conditions? Thanks in advance,  Taylor

  • Column Generation Explanation

    Answered

    Hello, I have a general question about column generation for large-scale systems.  I understand the Master problem and the Restricted master problem for the subset of variables.  After I set up the...

  • Adding Range constraints versus linear constraints

    Answered

    Hello, I'm dealing with a very large MIP and was wondering if there is any computational benefit to using range constraints versus adding constraints separately in the standard method? Thank you, T...

  • Simplex Method Callbacks

    Hello, I have a custom simplex method which of course is way slower than Gurobi's performance.  How do I go about incorporating Gurobi's callbacks for simplex operations within my code?  I'm lookin...

  • Reduced Cost Attributes

    Hello,  I have a restricted master problem that runs just fine.  But I'm not able to access the reduced cost or the shadow price attributes for the problem.  All of the variables are continuous.  I...

  • Using PyPy to execute Python Scripts

    Answered

    Hello,  Is there a way to execute my python scripts using Gurobi as my solver in PyPy.  I know this capability was not around 3 to 4 years ago, but I can't find any documentation stating that it's ...

  • Column Generation

    Answered

    Hello,  I realize that each column generation formulation is specific to the problem at hand but I want to ensure that I'm on the right track.  A little bit of background, the problem itself is qui...