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Matteo Fischetti's user avatar
Matteo Fischetti's user avatar
Matteo Fischetti's user avatar
Matteo Fischetti
  • Member for 5 years
  • Last seen more than 4 years ago
5 votes

Solving ATSP problem for large-scale problem

10 votes

Modeling floor function exactly

7 votes

How could we simplify solving the large scale MIPs without using any advanced methods like decompositions?

2 votes

Might you know any simple puzzles similar to $n$ queens? Anything parametrized worth running to a constraint solver?

15 votes

Are there any OR challenges that are similar to Kaggle's competitions?

11 votes
Accepted

Performance of a branch and bound algorithm VS branch-cut-heuristics

21 votes

Infeasibility in mathematical optimization models

12 votes
Accepted

How to get the best bound of large LP problems in CPLEX?

6 votes

Applicability of Lagrange Multipliers in the analysis of large-scale MILPs?

14 votes

How to determine if a given problem seems to be a good fit to be solved using combinatorial Benders decomposition

10 votes

Well-known parent/child pairs in the field of OR

29 votes

Feeding known lower bounds to solvers

10 votes
Accepted

How to change the search strategy in a B&B framework, i.e., start with depth first and then continue with best node?

13 votes

Why is it important to choose big-M carefully and what are the consequences of doing it badly?