Carlos Rodríguez

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Activity overview

Latest activity by Carlos Rodríguez

  • Carlos Rodríguez created a post,

    Gurobi 13

    Answered

    Hey everyone, I was just testing a new version of my python package, so I started a new enviroment and installed all dependancies. I tested my build and got:gurobipy._exception.GurobiError: Version...

    Carlos Rodríguez 2 followers 1 comment 0 votes

  • Carlos Rodríguez commented,

    Hey Marika! Thank you very much for your response. What I meant is that I am using the cutoff parameter:https://www.gurobi.com/documentation/9.5/refman/cutoff.htmlOtherwise when I fix the value of ...

    View comment Carlos Rodríguez 0 votes

  • Carlos Rodríguez created a post,

    Cutoff

    Awaiting user input

    Hello! I am working on a problem related to minimizing the number of edges in a network that need to be turned off for the flow of a network to be 0. I know that turning certain edges off should be...

    Carlos Rodríguez 2 followers 3 comments 0 votes

  • Carlos Rodríguez commented,

    Hello again Jaromil,  I was going through the rabbit hole of strengthening the formulation and from my perspective is exactly what I need. The problem is that I am not sure where to start, I´ve see...

    View comment Carlos Rodríguez Edited 1 vote

  • Carlos Rodríguez commented,

    Hi Jaromil,  CPU model: Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz, instruction set [SSE2|AVX|AVX2]Thread count: 8 physical cores, 16 logical processors, using up to 16 threadsOptimize a model with 2...

    View comment Carlos Rodríguez 0 votes

  • Carlos Rodríguez created a post,

    Root relaxation single thread

    Ongoing

    Hello! I am solving what I believe to be hard problem, the main focus is to find all the possible solutions (nodes) that when turned off make it impossible to transmit a message. I am interested in...

    Carlos Rodríguez 2 followers 4 comments 1 vote

  • Carlos Rodríguez commented,

    Hey David,    Thanks for commenting back, I have some updates.    The PreSOS1Encoding with value 2 is giving me better results. So many thanks for the suggestion, I have also implemented a piece of...

    View comment Carlos Rodríguez 0 votes

  • Carlos Rodríguez commented,

    Sounds amazing David, thanks for the suggestion.   Could there be a way to given a timelimit status, resend the same problem with the known solutions. Instead of adding them as constraints, more li...

    View comment Carlos Rodríguez 0 votes

  • Carlos Rodríguez commented,

    Hello again David,    I can give you a quick layout of how it is intend to work, we launch the optimization problem and gurobi is very good at finding solutions of length 1, we add does constraints...

    View comment Carlos Rodríguez 0 votes

  • Carlos Rodríguez commented,

    Hello David!   Yes, I am interested in many solutions at the same time. The concept of this MILP is to have a network and find the minimal cut set that renders the network unable to produce biomass...

    View comment Carlos Rodríguez 0 votes