Hottest Questions This Month

14 votes

4 answers

2k views

Where is the original Dantzig Simplex 1947 paper?

TheSimpliFire♦

5,185

modified Jun 10 at 20:17

6 votes

4 answers

3k views

Python vs. compiled languages in OR research using metaheuristics

python metaheuristics c++ academia journals

h22

121

answered Jun 16 at 17:38

3 votes

3 answers

559 views

Unbounded master problem in Benders decomposition

optimization benders-decomposition unboundedness

prubin♦

29.6k

modified Jun 3 at 23:06

4 votes

4 answers

219 views

Visualizing results to the RCPSP

scheduling visualization

Raghav Thakar

175

answered Jun 14 at 15:24

6 votes

2 answers

216 views

Metaheuristics vs Column generation for VRP

vehicle-routing traveling-salesman metaheuristics column-generation

Open Door Logistics

677

answered Jun 5 at 2:07

6 votes

1 answer

330 views

How to Model Path Being Only Through Adjacent Cells

mixed-integer-programming modeling or-tools network-flow

SecretAgentMan

1,816

modified Jun 8 at 17:00

10 votes

1 answer

194 views

Integer column generation without branch & price

column-generation dantzig-wolfe-decomposition branch-and-price

RobPratt

22.2k

modified yesterday

3 votes

1 answer

234 views

Practical, Short example of Mixed Integer Conic Program

mixed-integer-programming cone teaching

Mark L. Stone

10.8k

modified Jun 19 at 22:49

2 votes

2 answers

184 views

How to model Max-Cut as ILP

modeling integer-programming cplex combinatorial-optimization graphs

Alex Fleischer

3,517

answered Jun 13 at 12:06

2 votes

2 answers

205 views

Approximate Speed-Up With Increasing Cores?

mixed-integer-programming gurobi

Tim Varelmann

126

answered Jun 14 at 15:43

3 votes

2 answers

70 views

Augmented Lagrangian Function for Semidefinite Programming Problems

lagrange-multipliers lagrangian-relaxation semidefinite-programming constrained-optimization

Brian Borchers

696

answered May 28 at 22:19

3 votes

1 answer

233 views

Correct way to add slack variables to model

optimization linear-programming

Mark L. Stone

10.8k

modified Jun 8 at 0:13

5 votes

2 answers

97 views

Analyzing the output of IPOPT

nonlinear-programming feasible-points julia ipopt

TheSimpliFire♦

5,185

modified Jun 7 at 16:32

4 votes

1 answer

147 views

large scale optimization with Python

optimization python convex-optimization multi-objective-optimization

SecretAgentMan

1,816

modified Jun 1 at 15:37

2 votes

1 answer

135 views

Linearize function

optimization linearization

TheSimpliFire♦

5,185

modified Jun 22 at 12:19

4 votes

1 answer

146 views

Subtour elimination implementation (DFJ) using Python (PULP). While loop never exits

python pulp

fontanf

1,581

answered Jun 17 at 15:26

2 votes

2 answers

110 views

Difference between constraint formulation and performance

linear-programming gurobi linearization nonlinear-programming quadratic-programming

Mike

61

modified yesterday

5 votes

1 answer

98 views

Use of variance in job ordering

stochastic-programming job-shop-scheduling variance

Tim Varelmann

126

answered Jun 9 at 9:14

1 vote

2 answers

96 views

Google CP-SAT Infeasible ILP for Large Problem Area

integer-programming or-tools

TheSimpliFire♦

5,185

modified Jun 9 at 17:43

4 votes

1 answer

89 views

Geometric Programming with Simple Affine Equality Constraint

optimization cvxpy geometric-programming

TheSimpliFire♦

5,185

modified yesterday

1 vote

1 answer

133 views

How to model this problem?

mixed-integer-programming integer-programming facility-location

prubin♦

29.6k

modified May 31 at 20:36

1 vote

2 answers

60 views

Adding cuts doesn't change the solution of master problem in Benders decomposition

optimization benders-decomposition

prubin♦

29.6k

answered Jun 3 at 18:35

3 votes

1 answer

95 views

Solution for a TSP with Branch and Cut for Gurobi in Java?

gurobi traveling-salesman branch-and-cut

Glorfindel

167

modified Jun 15 at 2:37

0 votes

1 answer

147 views

+50

How to model history-dependent dynamic program?

dynamic-programming markov-decision-process

Amin

2,063

modified Jun 19 at 16:07

1 vote

1 answer

87 views

Relaxing a relation between variables if one of them reaches its maximal value

mixed-integer-programming linear-programming

RobPratt

22.2k

modified Jun 12 at 19:05

2 votes

1 answer

48 views

Is it possible to merge two objective functions using the LpSolve package in R?

linear-programming integer-programming multi-objective-optimization r

prubin♦

29.6k

answered Jun 3 at 17:48

1 vote

1 answer

98 views

Graph Theory problem

graphs matching

Optimization team

901

modified Jun 1 at 15:02

3 votes

1 answer

94 views

Multiprocessor Scheduling Problem: How to modify some constraints after variable changing?

mixed-integer-programming modeling integer-programming binary-variable

prubin♦

29.6k

answered Jun 15 at 21:42

6 votes

1 answer

90 views

When was the exploration and exploitation tradeoff first mentioned in literature?

optimization reference-request reinforcement-learning

2D1C

131

answered Jun 9 at 17:26

5 votes

0 answers

112 views

Scale of largest CPLEX/Gurobi execution

cplex gurobi computational-complexity docplex computational-experiments

SecretAgentMan

1,816

modified Jun 1 at 15:38

3 votes

1 answer

61 views

cpu time in docplex

modeling python cplex docplex cpu

Alex Fleischer

3,517

answered Jun 9 at 14:56

1 vote

1 answer

78 views

Dual solution when solving a primal degenerate LP with the interior point algorithm

linear-programming duality interior-point-method degeneracy

prubin♦

29.6k

answered Jun 1 at 16:13

-3 votes

1 answer

76 views

Testing Varying Parameters With the Same Script [closed]

c++

TheSimpliFire♦

5,185

modified Jun 22 at 12:21

2 votes

1 answer

59 views

Np-hard sequencing or packing problems with total ordering between elements

optimization scheduling computational-complexity packing np-complete

LocalSolver

2,649

answered 2 days ago

3 votes

1 answer

58 views

Can a TSP K-OPT operator be completed with a sequence of 2-OPT moves?

traveling-salesman

PeterD

674

modified Jun 15 at 21:50

2 votes

1 answer

57 views

Getting all active constraints of an LP from Cplex

cplex cplex-python-api

Erwin Kalvelagen

1,481

modified yesterday

1 vote

1 answer

55 views

Modeling Multi-Agent Collision in Google CP-SAT Solver

integer-programming or-tools

Laurent Perron

1,724

answered Jun 13 at 9:28

2 votes

1 answer

66 views

Gurobi C++-how to set the NonConvex parameter to 2

gurobi c++

Oguz Toragay

8,290

answered May 29 at 0:04

3 votes

1 answer

81 views

Optimization software for real-valued functions/constraints of complex arguments

optimization complex-numbers

Dan Doe

141

answered Jun 18 at 17:12

2 votes

0 answers

98 views

Defining a highly non-linear function of integer variables

cplex gams matlab minlp

SecretAgentMan

1,816

modified Jun 20 at 14:38

-1 votes

1 answer

59 views

Assignment Problem with continuous decision variable

binary-variable network-flow assignment-problem job-shop-scheduling continuous-optimization

Tim Varelmann

126

answered Jun 1 at 14:24

0 votes

1 answer

73 views

Gurobi C++ - how to divide variables

gurobi c++

Penghui Guo

426

answered May 27 at 10:51

2 votes

1 answer

66 views

Resource which explain different stochastic method with some intuition

reference-request stochastic-programming books

Penghui Guo

426

modified Jun 14 at 10:54

3 votes

1 answer

49 views

Disjunctive Constraint , Using Binary Variable to Replace a If or condition

modeling binary-variable logical-constraints big-m

prubin♦

29.6k

answered Jun 14 at 23:20

1 vote

0 answers

78 views

Converting quadratic constrains to linear constraint

mixed-integer-programming linear-programming linearization quadratic-programming

Mike

61

asked Jun 16 at 23:05

3 votes

1 answer

75 views

gurobi bigM constraint vs. epsilon

mixed-integer-programming gurobi logical-constraints big-m indicator-constraints

prubin♦

29.6k

answered Jun 15 at 15:53

0 votes

1 answer

58 views

calculations after the docplex solution

optimization python docplex

Alex Fleischer

3,517

answered Jun 10 at 14:57

2 votes

0 answers

74 views

Tolerance in Baron

solver nonlinear-programming gams baron

Horvetz

111

asked Jun 13 at 5:28

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