Shahin Parvar

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Latest activity by Shahin Parvar

  • Shahin Parvar commented,

    1. Community
    2. Programming
    3. Cannot retrieve dual variables even after fixing all binary variables and resolving

    Hello, I am facing the same problem and can't the dual value that I get as None for all constraints, I am wondering after:  model.dual = Suffix(direction=Suffix.IMPORT) How should I exactly extract...

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    • Shahin Parvar
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  • Shahin Parvar commented,

    1. Community
    2. Programming
    3. Gurobi Solver plugin

    This is my result: resultsOut[58]: {'Problem': [{'Name': 'x1', 'Lower bound': -59236.27041095889, 'Upper bound': -59236.270410958896, 'Number of objectives': 1, 'Number of constraints': 3908, 'Numb...

  • Shahin Parvar created a post,

    Gurobi Solver plugin

    Awaiting user input
    1. Community
    2. Programming

    Hello All,  I am running my optimization problem on Pyomo, and trying to get the dual variables of my constraints by using:  model_Bi.dual = Suffix(direction=Suffix.IMPORT_EXPORT) However, I get th...

    • Shahin Parvar
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