Fast neural network training

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364200, 3642213, 3642749, 364900, 3649162, 3649724, G06F 1518

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049126520

ABSTRACT:
A method of accelerating the training of an artificial neural network uses a computer configured as an artificial neural network with a network input and a network output and having a plurality of interconnected units arranged in layers including an input layer and an output layer. Each unit has a multiplicity of unit inputs and a set of variables for operating upon a unit inputs to provide a unit output in the range between binary 1 and binary 0. A plurality of training examples is serially provided to the network input and the network output is observed. The computer is programmed with a back propagation algorithm for changing each set of variables in response to feedback representing differences between the network output for each example and the desired output. The examples are iterated while the output of a unit is observed. The feedback to a unit is adjusted so that a larger feedback is obtained when the output of the unit is near binary 1 or binary 0 than when the output is midrange between binary 1 or binary 0.

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