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Operations Research
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graphtheory123's user avatar
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graphtheory123
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Top posts
5
How many variables and constraints can modern mixed integer programming solvers handle?
Dec 28, 2022
4
Can we add a certain binary row to a matrix which preserves total unimodularity?
Feb 19
2
Are McCormick Envelopes exact for the following class of optimization problems?
May 28
1
Converting a Linear Program with TU Constraint Matrix to a Nonlinear Convex Model: Solver Performance?
Feb 20
1
Fast Algorithms for Min-cost Multicommodity Flow Problem with Most Arcs Having 0 cost
Mar 1
1
How to model $\max\limits_{x\in X} \min\limits_{y\in Y} \max\limits_{z\in Z} f(z)$ as single MILP
Apr 5
0
How to formulate an MIP so that a binary variable is 0 or 1 depending on whether another variable is nonzero?
Apr 11, 2023