Nazanin Madani

Gurobi-versary
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Latest activity by Nazanin Madani
  • Nazanin Madani created a post,

    How to execute for-loop iterations in parallels in MATLAB using Gurobi as a solver?

    Answered

    Hello, I have a MIP problem, which I decomposed into subproblems, and I want to solve these subproblems using Gurobi in MATLAB. The only thing that changes in each subproblem is the objective funct...

  • Nazanin Madani commented,

    Hello Ting, I realized that my SOC constraint causes this issue, and makes the problem hard to solve. Besides, I wanted to solve a big problem. When I chose smaller ones, it solves but still takes ...

  • Nazanin Madani created a post,

    The objective bounds improve slowly!

    Hello, I have a SOC programming problem, which I try to solve. It takes to much time to find an incumbent objective bound, and when it finds one, it improves slowly. I tried different parameters, b...

  • Nazanin Madani created a post,

    Gurobi and second- order cone constraints.

    Answered

    Hello, I have SOC constraints set in my model, and Gurobi can not solve it. I guess it could relate to the format of the constraint (the linear part), but I am not sure. This is the constraint: wh...

  • Nazanin Madani created a post,

    A big gap after 3 hours run!

    Hello, I have a problem that I tried to reformulate as a second-order cone programming problem, and I have a time limit of 3 hours, but after the code terminates, the gap is too big (80%). I know t...