Particle
A particle is an individual entity represented or managed as a unit within a physical or computational model.
Grokking AI Algorithms, Second Edition
A particle is a candidate solution in particle swarm optimization whose position represents values in the problem search space and whose movement is adjusted during search.
- How it is used
- Represents candidate solutions moving through a multidimensional search space in particle swarm optimization.
- How deep it goes
- Defines particle state and walks through initialization, fitness evaluation, movement, and stopping with Python examples.
- Examples
- Uses aluminum and plastic choices in a drone-design search, particle-state tables, and Python snippets.
- What you can do after
- Build it from scratch as a Python particle with position, velocity, fitness, and remembered best values.
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Evolutionary Deep Learning: Genetic algorithms and neural networks
A particle is a candidate agent in particle swarm optimization whose position and movement encode a possible solution.
- How it is used
- Uses particles as candidate solutions while applying particle swarm optimization to an equation-solving problem.
- How deep it goes
- Explains generation, fitness evaluation, personal and global bests, speed limits, and position updates through executable functions.
- Examples
- Uses cannon-shot velocity and angle, target distance, swarm scatter plots, and DEAP notebook listings.
- What you can do after
- Apply it via DEAP by generating, evaluating, updating, and inspecting candidate solutions in a swarm.
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Related concepts
- particle swarm optimizationused by · Particle swarm optimization is a population-based optimization method in which candidate solutions adjust their positions using individual and collective search information.
- populationpart of · A population is a defined group or complete set of people, units, observations, or candidate solutions considered together in a particular context.
- position vectorhas part · A position vector is a vector from an origin to a point, representing that point’s location through its components.
- velocityhas part · Velocity is a quantity or state representing movement or change through a space, often encoding its direction and magnitude.
- best positionhas part · A best position is the position at which an optimization particle has achieved its best objective value so far.
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