Operations Research

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Answer a question with score of 1 or more.
Awarded 589 times.
Ways to improve lower bounds while solving MIPs
Awarded Dec 2 at 20:41
Problems understanding model notation in LPs
Awarded Nov 16 at 22:26
Google Cloud Fleet Routing... what types of VRPs does it cover?
Awarded Nov 9 at 14:25
Proving the Validity of a Given Inequality Involving Ratios of $p$ and $q$
Awarded Nov 4 at 18:41
How to linearize the product of a binary and a negative continuous variable?
Awarded Oct 30 at 16:09
Successive approximation in negative dynamic programming
Awarded Oct 24 at 14:07
How to linearize the following constraints
Awarded Oct 23 at 13:04
How to identify constraints that make problem not solvable in polynomial time?
Awarded Sep 27 at 4:10
Tips for implementing Benders Decomposition in C++?
Awarded Sep 4 at 14:11
Graphs arcs on AMPL C++ API
Awarded Aug 31 at 9:25
What are some of the key features that are currently absent in open-source AMLs like Pyomo, JuMP, Gurobipy
Awarded Aug 21 at 17:27
Persisting Subproblem Infeasibility Benders Decomposition
Awarded Aug 11 at 19:48
Using CPLEX academic version with Pyomo on MacOS
Awarded Aug 11 at 6:08
Systematic references on linearizing conditional / logical expressions
Awarded Jul 24 at 0:33
Systematic references on linearizing conditional / logical expressions
Awarded Jul 23 at 14:28
When to use indicator constraints versus big-M approaches in solving (mixed-)integer programs
Awarded Jul 3 at 11:51
What are my options for exact linear programming solvers in python3 that work as of April 2023?
Awarded Jul 2 at 4:51
does mTSP/CVRP always minimize number of vehicles used?
Awarded Jul 1 at 17:41
Ideal programming language for an operations researcher
Awarded Jun 28 at 19:49
Small Traveling Salesman Problem instance
Awarded Jun 11 at 17:15
How to use the at() method in Pyomo
Awarded Jun 10 at 13:56
Separating violated cover inequalities
Awarded Jun 10 at 10:20
Why is it called the "Simplex" Algorithm/Method?
Awarded May 15 at 8:06
Using the "true" sample rather than sampling from a distribution - is there a name for this?
Awarded May 5 at 15:28
(post deleted or otherwise unavailable)
Awarded May 5 at 14:32
How to formulate the minimum and maximum range of possible values?
Awarded Apr 29 at 21:00
Solving a Global Optimization problem using Differential Evolutionary Algorithm using R
Awarded Apr 17 at 7:55
PuLP ensure first and last choice
Awarded Apr 14 at 4:32
ADMM diverges on L1 regression
Awarded Apr 9 at 12:58
How to distinguish between the different roles / titles in industry?
Awarded Mar 20 at 13:27
How to perform clustering of a large number of nodes?
Awarded Mar 17 at 7:28
Non linear programming
Awarded Mar 1 at 15:55
An error in Pyomo with a parameter represented as a matrix
Awarded Feb 23 at 18:11
How can I solve this algorithmic task in Python?
Awarded Feb 15 at 9:12
Pyomo: Value assignment for binary variables through constraints
Awarded Feb 13 at 16:26
Name of graph algorithm arising while using the Ryan Foster Branching
Awarded Feb 8 at 16:06
How to change the price in the objective function, depending on its sign, in python, with Z3?
Awarded Feb 8 at 12:57
Modelling if elif else conditions as MIP
Awarded Jan 31 at 21:34
Travelling salesman problem variant without returning to the starting point
Awarded Jan 27 at 9:25
Robust optimization for IP formulation
Awarded Jan 26 at 18:26
Can I use 'SCIP' solver for PYOMO?
Awarded Jan 26 at 13:06
Robust optimization for IP formulation
Awarded Jan 25 at 16:01
List of Implementations for common OR problems
Awarded Jan 22 at 10:05
Robust Optimization in Gurobi
Awarded Jan 17 at 13:19
Departure process of M/G/1 queue with hyper-exponential service times
Awarded Jan 3 at 10:26
Can I print the linear programming sensitivity analysis report using google or-tools?
Awarded Dec 18, 2022 at 21:28
Steiner tree sub-optimal algorithm always finds the optimal solution. Why?
Awarded Dec 11, 2022 at 10:21
TypeError: unsupported operand type(s) for *: 'IntVar' and 'float' in ortools
Awarded Dec 11, 2022 at 10:21
Pyomo supported solvers on NEOS
Awarded Dec 3, 2022 at 11:07
How to formulate the inequality constraint $\sqrt{x^2+y^2} \leq z$ using gurobipy?
Awarded Dec 1, 2022 at 19:05
Disjoint Paths and Minimum Total Cost Disjoint Paths Problem in CPLEX
Awarded Nov 27, 2022 at 22:16
How do you get the primal solution of an LP from the dual solution?
Awarded Nov 24, 2022 at 19:56
Constraint for two binary vectors to be different
Awarded Nov 23, 2022 at 7:17
How to dynamically create variables in Pyomo?
Awarded Nov 11, 2022 at 17:32
Question regarding primal Simplex method
Awarded Nov 11, 2022 at 16:48
How to linearize this if-then constraint?
Awarded Nov 8, 2022 at 8:48
Efficient modelling via Gurobi
Awarded Nov 7, 2022 at 16:50
Maximize the minimal distance between true variables in a list
Awarded Nov 4, 2022 at 12:27
Understanding L-shaped algorithm in a two-stage stochastic problem
Awarded Nov 4, 2022 at 12:20
How to do matrix multiplication in docplex in python?
Awarded Nov 2, 2022 at 19:30
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