Parijat Mitra

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Recent activity by Parijat Mitra Recent activity Votes
  • Does gurobi use Genetic algorithm or ant colony algorithm?

    Answered

    Hi,  As I know gourbi use branch and bound algorithm to solve problems. I was wondering does gourbi use genetic algorithm or ant colony algorithm to find solution to the problems?  

  • How to understand the GUROBI log file in detail?

    Answered

    Dear Gurobi developers I firstly would like to thank all the members who have been working hard to solve problems of GUROBI users. You all are really expertise in your domain and provide accurate s...

  • How Indicator constraint can be triggered with multiple variables?

    Answered

    Dear members  I am trying to trigger indicator constraint with multiple variables but unfortunately, it shows error Indicator constraints can only be triggered by a single binary variable at a giv...

  • INDICATOR CONSTRAINT

    Answered

    Can anybody explain what indicator constraint is in gurobi? for example model.addConstr((a==1)>>(b==1)) what does it exactly mean? I read the article on indicator constraint but it was not lear to me

  • What is the Maximum time gurobi takes to find solution

    Answered

    I am trying to solve a resource scheduling problem but the gurobi is taking too long time to find the values of decision variables after it has found the optimal value. I am worried if my objective...

  • Wierd output in gurobi

    Answered

    Dear Members, I am working on a workforce scheduling problem and my model is giving some weird output that is beyond my understanding.  I have defined decision variables but the output is now in th...

  • gurobi.QConstr Not Yet Added

    Answered

    Hello members, While modeling my workforce scheduling problem, I have encountered "gurobi.QConstr Not Yet Added" with one of my constraints used in the model. I have many constraints in my model wh...

  • Gurobi 9.1 not installing

    Answered

    As I know gurobi9.1 supports python 3.9 and right now I am using python 3.8.2 32 bit.  Gurobi9.1 is installed in my machine While installing Gurobipy package through python shell I am using the com...

  • Constraints with For loop

    Answered

    Can I add or define a constraints inside a FOR loop. I am using python interface

  • Tabular Output and Small GUI software

    Answered

    Hi, I am reaching out to wonderful people in the community. I am actually trying solve a production planning problem in gurobi. Here I have two of my doubts which I need your valuable input on:-1. ...