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Stochastic approximation algorithms: Overview and recent trends
Authors:B Bharath  V S Borkar
Affiliation:(1) Department of Electrical Communication Engineering, Indian Institute of Science, 560 012 Bangalore, India;(2) Department of Computer Science and Automation, Indian Institute of Science, 560 012 Bangalore, India;(3) Present address: Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Mumbai, India
Abstract:Stochastic approximation is a common paradigm for many stochastic recursions arising both as algorithms and as models of some stochastic dynamic phenomena. This article gives an overview of the known results about their asymptotic behaviour, highlights recent developments such as distributed and multiscale algorithms, and describes existing and potential applications, and other related issues. The work of the second author is supported by the DST grant III 5(12)/96-ET.
Keywords:Stochastic approximation  asymptotic convergence  stochastic optimization  learning algorithms
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