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A novel hybrid global optimization (GO) algorithm applied for feedforward neural networks (NNs) supervised learning is investigated. The network weights are determined by minimizing the traditional mean square error function. The optimization technique, called LP(tau)NM, combines a novel global heuristic search based on LPtau low-discrepancy sequences of points, and a simplex local search. The proposed method is initially tested on multimodal mathematical functions and subsequently applied for training moderate size NNs for solving popular benchmark problems. Finally, the results are analyzed, discussed, and compared with such as from backpropagation (BP) (Levenberg-Marquardt) and differential evolution methods.

Original publication

DOI

10.1109/tnn.2007.891633

Type

Journal article

Journal

IEEE transactions on neural networks

Publication Date

05/2007

Volume

18

Pages

937 - 942

Keywords

Models, Statistical, Algorithms, Decision Support Techniques, Neural Networks (Computer), Artificial Intelligence, Computer Simulation, Information Storage and Retrieval, Pattern Recognition, Automated