An improved ensemble particle swarm optimizer using niching behavior and covariance matrix adapted retreat phase.
Libin HongXinmeng YuBen WangJohn R. WoodwardEnder ÖzcanPublished in: Swarm Evol. Comput. (2023)
Keyphrases
- particle swarm optimizer
- covariance matrix
- covariance matrices
- particle swarm optimization
- adaptive strategies
- principal component analysis
- sample size
- gaussian mixture
- mahalanobis distance
- eigenvalues and eigenvectors
- multivariate gaussian
- objective function
- geometrical interpretation
- positive definite
- pseudo inverse
- variable weighting
- class conditional densities
- correlation matrix
- estimation error
- symmetric matrix
- neural network
- global optimization
- multi objective
- feature selection