Combined genetic algorithm optimization and regularized orthogonalleast squares learning for radial basis function networks |
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Authors: | Chen S Wu Y Luk BL |
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Affiliation: | Dept. of Electr. and Comput. Sci., Southampton Univ. |
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Abstract: | Presents a two-level learning method for radial basis function (RBF) networks. A regularized orthogonal least squares (ROLS) algorithm is employed at the lower level to construct RBF networks while the two key learning parameters, the regularization parameter and the RBF width, are optimized using a genetic algorithm (GA) at the upper level. Nonlinear time series modeling and prediction is used as an example to demonstrate the effectiveness of this hierarchical learning approach. |
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