Wei Tang

Gurobi-versary
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Curious
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Activity overview

Latest activity by Wei Tang
  • Wei Tang commented,

    I think this can be broken down into individual questions, one for each sum of f_i. Which makes it easy to solve. 

  • Wei Tang created a post,

    Help with converting variables from divisor

    Answered

    There was a similar post on this question, and I know that Gurobi can't solve for models with variables as the divisor. But I want to seek help in converting my problem to something that Gurobi can...

  • Wei Tang commented,

    And how should I set it? It is not one of the model attributes where I can just do model.setAttr

  • Wei Tang created a post,

    How to set objective upper bound?

    Answered

    Is there a way to manually set an objective upper bound for a minimization MIP model?

  • Wei Tang created a post,

    Enforce a solution to see which constraints broke?

    Answered

    I currently have a model that 'should' always return a feasible solution, albeit it may be a bad one with high objective value (the task is to minimize the objective). For debugging purposes, is th...

  • Wei Tang created a post,

    Disable logging

    I wanted to disable logging altogether by setting OutputFlag = 0. However, it is still writing a log file every time I run the solver, albeit with much less information than having OutputFlag=1. Ho...

  • Wei Tang created a post,

    General Constraint vs Linear Constraint

    Answered

    Hi, I came up with two different ways to model a constraint for my problem. One requires Linear Constraints type, the other requires General Constraints type. Is there performance suggestion on whi...