Error back-propagation method and neural network system

Details Error back-propagation method and neural network system Error back-propagation method and neural network system

1993-01-28

1996-05-14

Downs, Robert W.

Boots, shoes, and leggings

364736, G06F 1518, G06F 1531, G06K 962

Patent

active

055175988

ABSTRACT:
Method and apparatus of error back-propagation for use in a neural network system. A first group (11) of processing devices (13.sub.1, 13.sub.2, 13.sub.3) performs the resolving steps and a second group (12) of analogous processing devices (13.sub.4, 13.sub.5) performs the training steps while backpropagating errors calculated in a central processing device (10). The synaptic coefficient matrix C.sub.ij of the first group and the transposed matrix T.sub.ji of the second group are simultaneously updated. This updating of the synaptic coefficients can be performed by means of multipliers (34.sub.1 to 34.sub.N) and adders (37.sub.1 to 37.sub.N).

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