User Marco Lübbecke

25 votes

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What are the tradeoffs between "exact" and Reinforcement Learning methods for solving optimization problems

answered Jun 3, 2019 at 21:46

25 votes

Dual bounds of integer programming problems

answered Dec 16, 2019 at 22:06

21 votes

Machine learning and operations research projects

answered Jul 10, 2019 at 21:35

20 votes

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"Best practices" for formulating MIPs

answered Jul 1, 2019 at 7:30

20 votes

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How to choose between high number of binary variables or fewer number of integer (not only 0 and 1) variables in a IP formulation?

answered Dec 18, 2019 at 13:42

17 votes

Cubic programming and beyond?

answered Jul 11, 2019 at 18:49

17 votes

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Can presolve reductions change the value of the linear programming relaxation?

answered May 26, 2020 at 14:35

16 votes

How to evaluate the performance of open source solver?

answered Jul 5, 2019 at 7:20

16 votes

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Examples of machine learning applied to operations research?

answered Jul 5, 2019 at 8:32

16 votes

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When using column generation, can a sub-problem be ignored once and for all once it fails to generate a new column?

answered Jan 28, 2020 at 9:55

15 votes

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Duality in mixed integer linear programs

answered Oct 14, 2019 at 13:05

15 votes

Classics in Operations Research from around WW II?

answered Jun 12, 2019 at 10:08

14 votes

What is a solution?

answered Jul 10, 2019 at 7:12

14 votes

Statistical tests for benchmark comparison

answered Sep 14, 2019 at 20:24

14 votes

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Metaheuristic to solve general MIPs

answered Jan 7, 2020 at 11:20

14 votes

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A variant of the Shortest Path Problem

answered Oct 3, 2019 at 7:24

13 votes

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Estimation of the size of Branch-and-Bound trees using ML

answered Aug 1, 2019 at 5:55

13 votes

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Polynomially solvable cases of zero-one programming

answered Jun 9, 2020 at 7:55

13 votes

CPLEX, number of threads and solving time

answered Jan 27, 2020 at 23:02

12 votes

Bin Packing with Relational Penalization

answered Jun 26, 2019 at 11:48

12 votes

How do we call this problem in literature and how to model it?

answered Feb 2, 2020 at 13:13

11 votes

Relationship between Benders’ decomposition and Dantzig-Wolfe decomposition

answered Jun 16, 2019 at 16:53

11 votes

Why do we need to measure the difficulty of mixed-integer programming problems?

answered Mar 16, 2020 at 14:07

10 votes

Does The Modelling Software Make A Difference Regarding A Solution?

answered Apr 24, 2020 at 19:21

10 votes

Connectivity of two nodes in an arbitrary undirected graph

answered Jun 18, 2019 at 22:31

10 votes

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Heuristics for mixed integer linear and nonlinear programs

answered Jun 25, 2019 at 20:25

10 votes

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

answered Jun 11, 2019 at 5:07

9 votes

Guidelines for Linear Optimization approaches?

answered Jun 13, 2019 at 12:30

9 votes

Dataset human solutions for OR problems

answered Aug 26, 2019 at 13:53

8 votes

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TSP subtour elimination by assigning distance traveled

answered Mar 3, 2020 at 12:25

Stack Exchange Network

45 Answers

What are the tradeoffs between "exact" and Reinforcement Learning methods for solving optimization problems

Dual bounds of integer programming problems

Machine learning and operations research projects

"Best practices" for formulating MIPs

How to choose between high number of binary variables or fewer number of integer (not only 0 and 1) variables in a IP formulation?

Cubic programming and beyond?

Can presolve reductions change the value of the linear programming relaxation?

How to evaluate the performance of open source solver?

Examples of machine learning applied to operations research?

When using column generation, can a sub-problem be ignored once and for all once it fails to generate a new column?

Duality in mixed integer linear programs

Classics in Operations Research from around WW II?

What is a solution?

Statistical tests for benchmark comparison

Metaheuristic to solve general MIPs

A variant of the Shortest Path Problem

Estimation of the size of Branch-and-Bound trees using ML

Polynomially solvable cases of zero-one programming

CPLEX, number of threads and solving time

Bin Packing with Relational Penalization

How do we call this problem in literature and how to model it?

Relationship between Benders’ decomposition and Dantzig-Wolfe decomposition

Why do we need to measure the difficulty of mixed-integer programming problems?

Does The Modelling Software Make A Difference Regarding A Solution?

Connectivity of two nodes in an arbitrary undirected graph

Heuristics for mixed integer linear and nonlinear programs

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

Guidelines for Linear Optimization approaches?

Dataset human solutions for OR problems

TSP subtour elimination by assigning distance traveled