hamza addi

  • Gurobi-versary
  • Curious
  • Conversationalist
  • Total activity 32
  • Last activity
  • Member since
  • Following 0 users
  • Followed by 0 users
  • Votes 9
  • Subscriptions 8

Activity overview

Latest activity by hamza addi

  • hamza addi commented,

    Okay thank you very much,That will help for sure!    Best regards.

    View comment hamza addi 0 votes

  • hamza addi created a post,

    Stochastic formulation

    Answered

    Hello,I'm working on a deterministic model and i want to step up into the stochastic formulation of the model and then implement it using  Gurobi. Can you please tell me whether it's possible with ...

    hamza addi 2 followers 1 comment 0 votes

  • hamza addi commented,

    thanks for your answer,My question is giving the model i provided. I want to incorporate the possibility of storage in the previous periods, so it can be used in the next period when there is not e...

    View comment hamza addi 0 votes

  • hamza addi created a post,

    problem formulation for a production facility

    Answered

    I have a production unit for product A divided into four periods of the year: Q1, Q2, Q3, and Q4. The constraints are as follows: Production of product A in each period should not exceed the sum ...

    hamza addi 2 followers 4 comments 0 votes

  • hamza addi created a post,

    integrality focus

    Answered

    Hello,  I keep getting non integral values for integral variables  anf for continous variables about  -1,1E-07 how can i deal with this problem,how can i change the parameters such as In...

    hamza addi 3 followers 2 comments 1 vote

  • hamza addi commented,

    Please help me, if you can

    View comment hamza addi 0 votes

  • hamza addi created a post,

    Infeasibility problem

    Answered

    Hello,   I'm solving a MIP problem, I get a infeasibility error, what i can do to check which constraints are violated. and what can i do to solve this issue because i checked the formulation and i...

    hamza addi 3 followers 3 comments 0 votes

  • hamza addi commented,

    Hello, thank you very much for you response,i tried the trick you mentionned above and the execution time dropped from 2 hours and a half to 1 hour. I'm trying to explore other options.   Best rega...

    View comment hamza addi 0 votes

  • hamza addi created a post,

    Very long execution time for adding constraints

    Answered

    Hello,  I hope everyone is doing fine, I'm trying to add some constraints but it takes so much time over 2 hours and half list1=['x1'+str(i)for i in range(100)]list2=['x2'+str(i)for i in range(100)...

    hamza addi Edited 3 followers 3 comments 0 votes

  • hamza addi commented,

    I wanted to add that i verified the lists  : list_excel1, list_excel2, list_excel3, list_excel4 but i cannot see any non-standard ascii characters.   Best regards, Hamza ADDI

    View comment hamza addi Edited 0 votes