Nazanin Madani
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Latest activity by Nazanin Madani
Nazanin Madani created a post,
How to execute forloop iterations in parallels in MATLAB using Gurobi as a solver?
AnsweredHello, 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.
AnsweredHello, 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 secondorder 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...