Guidelines

What is the combinatorial optimization problem?

What is the combinatorial optimization problem?

Combinatorial optimization is a topic that consists of finding an optimal object from a finite set of objects. It operates on the domain of those optimization problems in which the set of feasible solutions is discrete or can be reduced to discrete, and in which the goal is to find the best solution.

What is the combinatorial problem?

A combinatorial problem consists in, given a finite collection of objects and a set of constraints, finding an object of the collection that satisfies all constraints (and possibly that optimizes some objective function). Combinatorial problems are ubiquitous and have an enourmous practical importance.

Is combinatorial optimization NP-hard?

When a decision version of a combinatorial optimization problem is proved to belong to the class of NP-complete problems, then the optimization version is NP-hard. The optimization problem, i.e., finding the minimum number (least k) of star-shaped polygons whose union is equal to a given simple polygon, is NP-hard.

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Is tic-tac-toe a combinatorial game?

Combinatorial games include well-known games such as chess, checkers, and Go, which are regarded as non-trivial, and tic-tac-toe, which is considered as trivial, in the sense of being “easy to solve”. Some combinatorial games may also have an unbounded playing area, such as infinite chess.

What are the main types of combinatorial games?

Well-known examples of combinatorial games are Tic-tac-toe, checkers, chess, Go, Dots and Boxes, and Nim. A finite combinatorial game will always end; there is no sequence of moves that will lead to an infinite game. This means chess, in its basic form, is not finite, while Tic-tac-toe is finite.

What is combinatorial optimization and how does it work?

What is Combinatorial Optimization? Combinatorial optimization is the process of searching for maxima (or minima) of an objective function F whose domain is a discrete but large configuration space (as opposed to an N-dimensional continuous space). Some simple examples of typical combinatorial optimization problems are:

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What is an NP-optimization problem?

An NP-optimization problem (NPO) is a combinatorial optimization problem with the following additional conditions. Note that the below referred polynomials are functions of the size of the respective functions’ inputs, not the size of some implicit set of input instances.

Can MAX-SAT be used for combinatorial optimisation?

Many N P -hard combinatorial optimisation problems can be quite easily and naturally encoded into MAX-SAT.

What are the different types of optimization algorithms?

Combinatorial Optimization 1 Random-restart hill-climbing 2 Simulated annealing 3 Genetic algorithms 4 Tabu search