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Neural Computation, Vol 9, 1403-1419, Copyright © 1997 by The MIT Press

ARTICLES

Mean-Field Theory For Batched-TD(l)

Fernando J. Pineda

A representation-independent mean-field dynamics is presented for batched TD(). The task is learning to predict the outcome of an indirectly observed absorbing Markov process. In the case of linear representations, the discrete-time deterministic iteration is an affine map whose fixed point can be expressed in closed form without the assumption of linearly independent observation vectors. Batched linear TD() is proved to converge with probability 1 for all . Theory and simulation agree on a random walk example.




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J COGNITIVE NEUROSCIENCE NEURAL COMPUTATION MIT PRESS JOURNALS
Copyright © 1997 by The MIT Press.