Learning automata: an introduction
Learning automata: an introduction
Machine Learning
Stochastic approximation with two time scales
Systems & Control Letters
Supervised and unsupervised pattern recognition: feature extraction and computational intelligence
Supervised and unsupervised pattern recognition: feature extraction and computational intelligence
New algorithms for learning and pruning oblique decision trees
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans
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Alopex is a correlation-based gradient-free optimization technique useful in many learning problems. However, there are no analytical results on the asymptotic behavior of this algorithm. This article presents a new version of Alopex that can be analyzed using techniques of two timescale stochastic approximation method. It is shown that the algorithm asymptotically behaves like a gradient-descent method, though it does not need (or estimate) any gradient information. It is also shown, through simulations, that the algorithm is quite effective.