Operations Research Beta

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Awarded 355 times.
Constraints that set values to binary variables depending on other binaries
Awarded Apr 16 at 13:42
Numerical problem regarding to classical benders cut of large scale problem
Awarded Apr 15 at 12:46
Where can I find documentation on good practices for efficient formulations of a problem?
Awarded Apr 15 at 12:10
How to convexify log(convex) function?
Awarded Apr 14 at 10:48
Invalid solutions to Piecewise Mccormick Envelope Implementation
Awarded Apr 7 at 19:10
Continuous water-filling optimization problem
Awarded Apr 7 at 9:55
How does the RCPSP's precedence constraint work?
Awarded Apr 4 at 14:16
Why did CPLEX jump from version 12 to version 20?
Awarded Apr 2 at 20:42
Relation between order quantity and average cycle stock
Awarded Apr 1 at 9:04
Impose binary constraint on integer matrix with CVXPY
Awarded Mar 30 at 6:15
Maximize number of backups that fit on backup drive
Awarded Mar 28 at 19:49
How does CPLEX handle objective estimates passed to the makeBranch method?
Awarded Mar 25 at 1:26
MILP constrained by the minimum number of satisfied constraints
Awarded Mar 22 at 17:18
How to write this constraint in Gurobi python?
Awarded Mar 21 at 19:03
Bounding box fusion with constraints
Awarded Mar 17 at 15:42
Find minimum cost problem
Awarded Mar 12 at 22:56
Scheduling: Tasks changing the state of the executing machine
Awarded Mar 11 at 14:05
Minimum vertex cover and linear programming
Awarded Mar 9 at 13:05
Link a binary variable to continuous variable in Java Gurobi
Awarded Mar 8 at 14:50
A relaxed version of job shop scheduling
Awarded Feb 28 at 18:06
Modeling and solvers
Awarded Feb 26 at 10:03
How to transform this logical if-then constraint?
Awarded Feb 23 at 12:50
Incomplete initial solution for capacitated vehicle routing problem
Awarded Feb 20 at 12:13
Coding the OR problem with cplex
Awarded Feb 16 at 11:03
Two-Objective Optimization in CPLEX
Awarded Feb 15 at 10:18
Square packing variant
Awarded Feb 14 at 11:02
Maximizing a Ratio/Percent
Awarded Feb 9 at 14:20
Difference between Solomon's problem instances
Awarded Feb 9 at 14:15
NP-hardness of a special case of multiple choice knapsack problem
Awarded Feb 6 at 15:51
Converting evolutionary optimization problem from Excel to Python
Awarded Feb 2 at 18:32
Branch and Price algorithm is exact?
Awarded Feb 2 at 9:56
How to convert static variables into arrays for use with PuLP
Awarded Feb 1 at 15:06
How to determine least time required to complete all tasks?
Awarded Feb 1 at 6:57
Large MINLP problem, searching for solver, tried BARON, ANTIGONE, DICOPT
Awarded Jan 31 at 17:35
Piecewise linear and global optimization
Awarded Jan 29 at 18:51
Formulating “more complicated” objectives in Python Gurobi
Awarded Jan 27 at 17:04
How to maximize “contrast” between nodes on a graph?
Awarded Jan 23 at 5:15
KKT for second order approximation of $f(x)$
Awarded Jan 21 at 13:12
Greedy algorithms for assignment problems — prediction doesn't match simulation
Awarded Jan 17 at 14:33
Minimum cost flow problem with negative cost arcs
Awarded Jan 13 at 19:46
Optimizing black-box finite element model
Awarded Jan 12 at 21:56
Problem with setting up gurobi with OR-tools
Awarded Jan 12 at 19:04
Families of methods to deal with criterion uncertainties in multicriteria decision analysis
Awarded Jan 10 at 12:05
Scaling of standard deviation for forecast error
Awarded Jan 8 at 15:19
Free solver for MINP problems
Awarded Jan 6 at 14:07
Directly calling gurobipy API causes substantially longer runtime than calling cvxpy
Awarded Jan 5 at 17:05
GAMS default Solver doesn't use much of my RAM and CPU
Awarded Dec 18 '20 at 15:02
What does “Concurrent spin time” mean in the Gurobi log and what does choosing Method=3 do?
Awarded Dec 17 '20 at 3:08
Defining Solution Space in MILP / LP using If Then Statements
Awarded Dec 16 '20 at 9:35
How to write distance specific constraint?
Awarded Dec 15 '20 at 7:35
How Close Is Linear Programming Class to What Solvers Actually Implement for Pivot Algorithms
Awarded Dec 14 '20 at 5:06
Best practices regarding using “aggregated variables” in MIP
Awarded Dec 11 '20 at 11:42
Strict inclusion for facility location formula and aggregate facility location formula
Awarded Dec 11 '20 at 8:56
Using log optimization function in Gurobi
Awarded Dec 10 '20 at 7:00
Simplex (GLPK) doesn't find a feasible solution on this simple assignment problem, but there is an obvious one
Awarded Dec 5 '20 at 20:37
How to get all the facet inequalities from a set of valid inequalities?
Awarded Dec 2 '20 at 22:06
Stationary condition for unit simplex
Awarded Dec 2 '20 at 10:05
Understanding MDP's Dual Linear Program
Awarded Dec 1 '20 at 16:06
What are the advantages of commercial solvers like Gurobi or Xpress over open source solvers like COIN-OR or CVXPY?
Awarded Dec 1 '20 at 4:11
Understanding integer programming solvers
Awarded Nov 30 '20 at 10:33
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