User Philipp Christophel

33 votes

Is Linear Programming as Useful as it was 50 Years Ago?

answered Jan 26, 2022 at 13:46

22 votes

Are Metaheuristics and Evolutionary Algorithms the "Gold Standard" for the Traveling Salesman Problem?

answered Jan 24, 2022 at 9:32

21 votes

Accepted

Using Neural Networks For Solving Optimization Problems

answered Aug 23, 2021 at 9:38

21 votes

Accepted

How much can we expect to increase the speed of mixed integer programming in the next 10 years?

answered Nov 11, 2020 at 10:17

17 votes

Accepted

How does a warm start work in LP/MIP?

answered Aug 19, 2019 at 6:51

13 votes

What do solvers like Gurobi and CPLEX do when they run into hard instances of MIP?

answered Sep 17, 2019 at 6:39

12 votes

Branching rules in commercial MIP solvers

answered Jun 3, 2019 at 7:27

12 votes

How Close Is Linear Programming Class to What Solvers Actually Implement for Pivot Algorithms

answered Dec 8, 2020 at 16:00

12 votes

Accepted

Do LP solvers convert LPs to standard form?

answered Mar 4, 2021 at 15:10

12 votes

What is the best open source solver for large scale LP optimization in pyomo?

answered Aug 16, 2021 at 13:50

11 votes

Accepted

Finding the linear functions defining a polyhedron through integer data?

answered Oct 2, 2019 at 8:26

10 votes

Algorithms vs LP or MIP

answered Aug 23, 2019 at 6:41

10 votes

Accepted

Dealing with Symmetry. Commercial solver defaults vs manual implementations

answered Apr 27, 2022 at 15:58

9 votes

Accepted

Good references for reduced cost fixing?

answered Oct 14, 2022 at 8:32

8 votes

Finding a solution to a linear program with a small number of zeros

answered Nov 28, 2019 at 7:08

7 votes

Accepted

Infeasibility False Positive

answered Aug 18, 2021 at 12:42

7 votes

Understanding integer programming solvers

answered Nov 30, 2020 at 8:43

6 votes

How can we efficiently solve a large MILP with dense constraint matrix?

answered Aug 30, 2022 at 7:43

6 votes

Accepted

Finding a dual feasible basis for use with the dual simplex algorithm

answered Sep 21, 2022 at 7:10

5 votes

Short cuts when using the simplex algorithm

answered Feb 9 at 15:53

5 votes

Accepted

Case Studies and Real Problems for Teaching Optimization and Modelling

answered Sep 10, 2019 at 7:35

4 votes

Negative reduced cost for basic variable

answered Jan 30, 2020 at 14:08

4 votes

How to read open-source code of a solver (Or-tools, OptaPlanner, Minotaur, etc.)?

answered Sep 15, 2020 at 7:53

3 votes

An upper bound for the norm of solution to linear optimization problem

answered Aug 17, 2022 at 14:21

3 votes

Find all pivots that the simplex algorithm visited, i.e., the intermediate solutions, using Python

answered Nov 7, 2022 at 11:02

3 votes

Question regarding primal Simplex method

answered Nov 11, 2022 at 10:10

3 votes

State-of-the-art algorithms for solving linear programs

answered Aug 27, 2019 at 6:32

3 votes

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

answered Aug 12, 2019 at 7:33

3 votes

How to use solvers with virtual machines?

answered Aug 28, 2020 at 9:45

1 vote

Simplex algorithm and extreme points

answered Aug 17, 2020 at 9:18

Stack Exchange Network

30 Answers

Is Linear Programming as Useful as it was 50 Years Ago?

Are Metaheuristics and Evolutionary Algorithms the "Gold Standard" for the Traveling Salesman Problem?

Using Neural Networks For Solving Optimization Problems

How much can we expect to increase the speed of mixed integer programming in the next 10 years?

How does a warm start work in LP/MIP?

What do solvers like Gurobi and CPLEX do when they run into hard instances of MIP?

Branching rules in commercial MIP solvers

How Close Is Linear Programming Class to What Solvers Actually Implement for Pivot Algorithms

Do LP solvers convert LPs to standard form?

What is the best open source solver for large scale LP optimization in pyomo?

Finding the linear functions defining a polyhedron through integer data?

Algorithms vs LP or MIP

Dealing with Symmetry. Commercial solver defaults vs manual implementations

Good references for reduced cost fixing?

Finding a solution to a linear program with a small number of zeros

Infeasibility False Positive

Understanding integer programming solvers

How can we efficiently solve a large MILP with dense constraint matrix?

Finding a dual feasible basis for use with the dual simplex algorithm

Short cuts when using the simplex algorithm

Case Studies and Real Problems for Teaching Optimization and Modelling

Negative reduced cost for basic variable

How to read open-source code of a solver (Or-tools, OptaPlanner, Minotaur, etc.)?

An upper bound for the norm of solution to linear optimization problem

Find all pivots that the simplex algorithm visited, i.e., the intermediate solutions, using Python

Question regarding primal Simplex method

State-of-the-art algorithms for solving linear programs

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

How to use solvers with virtual machines?

Simplex algorithm and extreme points