A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
For questions involving mathematical problems that aim to minimize or maximize some objective function, possibly subject to one or more constraints.
For questions about mathematical optimization problems involving both continuous and binary or general integer variables.
For questions related to problems that optimize (i.e., minimize or maximize) a linear objective subject to linear constraints.
For questions related to the process of converting a real-world problem into a mathematical model. Can include questions related to linearization, logical constraints, tightness of formulations, and s…
For questions about mathematical optimization problems involving binary or general integer variables.
For questions asking for references from the literature or textbooks on specific topics.
For questions related to software designed to solve very general classes of optimization problems to guaranteed optimality.
Questions related to the commercial solver IBM ILOG CPLEX Optimization Studio.
For questions related to constraints, i.e. any restriction or relation a set of decision variables has to satisfy.
For questions about solving Operations Research problems using the Python programming language.
For questions about optimization over a discrete solution space.
For questions about mathematical optimization problems involving a nonlinear objective function and/or nonlinear constraints.
For questions on modeling satisfaction or optimization problems in languages designed for expressing (often high-level) constraints on decision variables.
For questions related to techniques for converting nonlinear expressions in optimization models into equivalent (or approximately equivalent) linear ones.
For questions related to the design or implementation of algorithms (exact or heuristic) for solving optimization problems.
Questions related to the commercial solver Gurobi Optimizer.
For questions related to convex functions and convex sets, especially as they relate to optimization problems.
For questions about methods that assign resources to work requests (e.g. processor time to tasks) usually minimizing some cost measure (e.g. makespan).
For questions related to optimization problems for routing vehicles through a set of nodes, especially the vehicle routing problem (VRP) and its variants.
For questions about the theoretical runtime needed for solving computational problems, often measured in the size of the input. This includes questions about whether polynomial time algorithms exist, …
For questions asking for real-world applications of specific concepts.
For questions related to the Python optimization modeling package Pyomo.
For questions about constraints that can be expressed in (usually propositional) logic.
For questions that involve variables than can only take on one of two values, usually 0 or 1.
Questions related to or-tools, Google's open-source software suite for optimization
For questions on quadratic programming, methods to solve them and related solvers. Use this tag along with (optimization).
Questions related to resources (e.g. data, results, code) that can be downloaded freely from the Internet.
For questions related to algorithms expected to produce good solutions, with no guarantee of optimality, in relatively short computation time.
For questions related to commercial or open-source computer software used for operations research problems.
For questions about mathematical models and algorithms for optimizing inventories.
Questions on algorithms that solve mathematical models by generating columns (variables) in the pricing step during solution on demand.
For questions about optimization problems in which one or more parameters are stochastic, with known probability distributions or discrete scenarios. The goal is often, but not always, to minimize or …
For questions related to graphs, a mathematical object consisting of a set of nodes with edges connecting certain pairs of them.
For questions related to the use of a "big M" (large constant) in a mathematical modeling context, either in the objective function (to initialize the simplex method) or in constraints (to formulate l…
For questions related to the traveling salesman problem (TSP), which seeks, for a given set of nodes, the shortest path that visits every node and returns to the starting node.
For questions on duals of (primal) mathematical programs that optimize the complementary bound. When minimizing, for example, primal solutions are upper bounds, and dual solutions lower bounds on the …