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Chin. Phys., 2004, Vol. 13(4): 454-458    DOI: 10.1088/1009-1963/13/4/007
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Chaotic time series prediction using least squares support vector machines

Wang Xiao-Donga, Ye Mei-Yingb
a College of Information Science and Engineering, Zhejiang Normal University, Jinhua 321004, China; b College of Mathematics and Physics, Zhejiang Normal University, Jinhua 321004, China
Abstract  We propose a new technique of using the least squares support vector machines (LS-SVMs) for making one-step and multi-step prediction of chaotic time series. The LS-SVM achieves higher generalization performance than traditional neural networks and provides an accurate chaotic time series prediction. Unlike neural networks' training that requires nonlinear optimization with the danger of getting stuck into local minima, training LS-SVM is equivalent to solving a set of linear equations. Thus it has fast convergence. The simulation results show that LS-SVM has much better potential in the field of chaotic time series prediction.
Keywords:  chaotic time series      time series prediction      support vector machines  
Received:  10 July 2003      Revised:  01 August 2003      Published:  20 April 2004
PACS:  05.45.Tp (Time series analysis)  
Fund: Project supported by the Zhejiang Provincial Natural Science Foundation, China (Grant No 602145).

Cite this article: 

Ye Mei-Ying, Wang Xiao-Dong Chaotic time series prediction using least squares support vector machines 2004 Chin. Phys. 13 454

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