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Metaheuristic

A high-level strategy guiding the search for optimal solutions in complex optimization problems with limited information.
Definition

Metaheuristics are advanced algorithms in computer science and mathematical optimization designed to navigate through large solution spaces to find good (often near-optimal) solutions to complex problems where traditional methods are infeasible. These algorithms are not specific to any particular type of problem; instead, they provide a framework that can be adapted to a wide range of optimization tasks.

Metaheuristics are characterized by their ability to escape local optima, explore the search space efficiently, and provide acceptable solutions within reasonable computational times, even in the face of incomplete or imperfect information. Common metaheuristic algorithms include Genetic Algorithms, Simulated Annealing, Ant Colony Optimization, and Particle Swarm Optimization.

Examples/Use Cases:

Genetic Algorithms (GAs) are a type of metaheuristic inspired by the process of natural selection. They are used in various fields, from engineering design to machine learning parameter tuning. For instance, GAs can optimize the design of complex engineering structures, such as aircraft wings, by iteratively selecting, combining, and mutating a population of design solutions to improve their performance based on a fitness function.

In machine learning, GAs can be used to optimize the architecture of neural networks or the parameters of learning algorithms to maximize predictive accuracy. Another example is the use of Particle Swarm Optimization (PSO) in logistics and supply chain management to optimize the routing of delivery vehicles, reducing fuel consumption and delivery times by simulating the social behavior of birds flocking or fish schooling to explore the solution space collaboratively.

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