# A.Omidi

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## Activity overview

Latest activity by A.Omidi
• A.Omidi commented,

Dear Jaromil, Many thanks for your explanation. I have just updated it.    Regards Abbas

• A.Omidi commented,

Dear Eli, Many thanks for your detailed explanation. I can do that for modifying my model and it works fine. :) Would you say please, how you can use LaTex in your comments? I tried it but, it seem...

• A.Omidi created a post,

### Linearizing factorial function

Dear community team, I'm trying to write a constraint in the following form: $$(a_j * (s_j!)) / L \leq 1-\gamma$$ Where $$\texttt{a}$$ and $$\texttt{gamma}$$ are constants and $$\texttt{s}$$ and \(...

• A.Omidi created a post,

### Using Gurobi heuristic parameter to achieve a feasible solution

Dear support team, I'm working on an optimization problem (MIP) which in the medium/large scale takes too much time to solve optimality. Then I tried to use Gurobi heuristic parameter to invoke a f...

• A.Omidi created a post,

### MIP-Heuristic as a MIP-start

Dear support team,   I'm trying to solve a scheduling problem using Gurobi 9. The model is solved and the optimal solution is found. Now, I would like to use a heuristic (which an instance could be...

• A.Omidi created a post,

### Gurobi NEOS issue

Dear support team,   I'm trying to solve a large scale optimization problem using Gurobi solver (V.9) on my local machine. As I have not accessed to an academic licence for Gurobi, I will need to u...

• A.Omidi commented,

Many thanks for your detailed explanations. Regards

• A.Omidi created a post,