Perapat Prugsamas
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Recent activity by Perapat Prugsamas-
Why Does a Bilinear Term Get Infinite Upper Bound After Presolve?
AnsweredI tested the code from the this forum and have question about upper bound of presolved model (the code block and results are shown below). Why is the upper bound of the bilinear term (r =x*y) becom...
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How to improve optimization speed (quadratic + general constraints)
I’m working on a model with quadratic constraints and several general constraints (including max, min, abs, and power functions). I’m noticing that the best bound convergence is quite slow, even th...
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Why does Gurobi struggle with a simple nonlinear constraint y^3?
AnsweredI’m trying to solve a simple optimization problem using Gurobi, but I’m running into issues when including a cubic nonlinear constraint.Problem formulation:Minimize:f(x, y) = x + 2ySubject to:-1 ≤ ...