Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25075
Title: Analysis of the convergence and divergence of a constrained anti-hebbian learning algorithm
Authors: Choy, CST
Siu, WC 
Keywords: Constrainted anti-hebbian learning algorithm
Convergence and divergence analysis
Stochastic approximation
Total least square 111
Issue Date: 1998
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on circuits and systems. II, Analog and digital signal processing, 1998, v. 45, no. 11, p. 1494-1502 How to cite?
Journal: IEEE transactions on circuits and systems. II, Analog and digital signal processing 
Abstract: In this paper, we analyze the effect of initial conditions on a constrained anti-Hebbian learning algorithm suggested by Gao, Ahmand, and Swamy. Although their approach has a minimum memory requirement with simple computation, we demonstrate through a simple example that divergence is always possible when the initial state satisfies suitable condition. We point out that in analyzing their learning rule, a constrained differential equation has to be considered instead of the unconstrained one they have studied in their original paper. Furthermore, we analyze this constrained differential equation and prove that 1) it diverges under similar conditions and 2) there is only one stable equilibrium whose domain of attraction we have identified. Accordingly, we suggest a re-initialization approach for the learning rule, which leads to convergence and yet preserves the simplicity of the original approach with a slight increase in computation.
URI: http://hdl.handle.net/10397/25075
ISSN: 1057-7130
DOI: 10.1109/82.735361
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