
Maliheh Aramon
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Activity overview
Latest activity by Maliheh Aramon-
Maliheh Aramon commented,
Hi Sophie, You need to use the method Model.cbGetSolution(vars) to retrieve values from a new MIP solution. There is a clear example of how to do this at the bottom of the documentation page linke...
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Maliheh Aramon commented,
Hi Ilya, The parameters ImproveStartGap, ImproveStartNodes, and ImproveStartTime trigger solution improvement strategies where the Gurobi Optimizer only focuses on improving the incumbent to find ...
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Maliheh Aramon commented,
Hi Masoud, Thank you for your comments. The Gurobi MemLimit parameter is not just applicable to MIP problems. It is applicable to continuous problems too. For example, if the total amount of memo...
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Maliheh Aramon commented,
Hi Ahmad, After setting the parameter SolutionNumber to the \(i\)-th best solution, the value of each variable can be accessed by querying the attribute Xn and not X (this attribute always reports...
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Maliheh Aramon commented,
Hi Elina, You can make your implementation cleaner and more compact like below: m.addConstrs((-b * t[i] == l[i] for i in range(num_work)), name="fatigue")for i in range(num_work): m.addGenCons...
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Maliheh Aramon commented,
Hi Adrian, What are the coefficient values of variables \(x_i\) in your maximization model? Are they negative? The best way to figure out why your model is infeasible is to compute one of its IIS ...
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Maliheh Aramon commented,
Hi Masoud and Henrique, Gurobi versions >=9.5.0 supports a new parameter called MemLimit which allows the user to limit the total amount of memory available to Gurobi. If the Gurobi Optimizer need...
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Maliheh Aramon commented,
Hi Maryam, I am not sure that I fully understand the question. Could you please elaborate more on what the issue is? I would suggest posting a complete code snippet with all input such that we can...
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Maliheh Aramon commented,
Hi Laura, The added equality quadratic constraints makes the problem nonconvex and you need to explicitly set the parameter NonConvex=2 to tell Gurobi that it needs to solve a nonconvex problem. B...
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Maliheh Aramon commented,
Hi Xiaoyu, No, Gurobi does not directly support solving an optimization problem with an objective function in the form \(\frac{x^\prime Q x}{x^\prime P x}\). Please check the article on What types...