Michael Feldmeier's user avatar
Michael Feldmeier's user avatar
Michael Feldmeier's user avatar
Michael Feldmeier
  • Member for 4 years, 10 months
  • Last seen more than a month ago
7 votes
Accepted

Which solvers should I use to solve large, but extremely sparse LP problems with 100-500 thousand variables?

3 votes

Upper bound on length of solution of linear program

13 votes

Is This Constraint Convex?

7 votes

Does this $0-1$ integer program have any speciality?

16 votes

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

6 votes

What is a solution?

28 votes
Accepted

Optimization terminology: "Exact" v. "Approximate"

27 votes

Great Unsolved Problems in O.R

5 votes

Parallelization of an existing Adaptive Large Neighbourhood Search Heuristic

3 votes

Modeling floor function exactly

21 votes
Accepted

Automating the column generation decomposition process

18 votes
Accepted

Simplex-Implementations in professional Solvers

18 votes
Accepted

Guidelines for Linear Optimization approaches?

8 votes
Accepted

When should I use dual Simplex over primal Simplex?

7 votes

Is there a canonical name for Score Folding (multiplying a priority soft constraint by a big weight)?

12 votes
Accepted

What global MINLP solvers support trigonometric functions?

16 votes

The curse of the benchmark instances

15 votes

Why is the programming code of many algorithms not public in the OR community?

19 votes

Where can I find open source LP solvers?