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Title:
INFORMATION PROCESSOR USING NEURAL NET
Document Type and Number:
Japanese Patent JPH0325562
Kind Code:
A
Abstract:

PURPOSE: To return the characteristic of a neural net to a past one by calculating the past characteristic of the neural net by using the characteristic corrected at a present step and an input signal offered at one preceding step held at a signal offering means and a desired output signal.

CONSTITUTION: A signal offering part 7 offers a new input signal to an input layer 1 at every progression or return of a value by one with a step number counting part 5, and furthermore, offers a instructor signal to a coupling constant correcting part 8. An undo processing part 9 calculates the characteristic of the neural net at the past state, in the example, a coupling constant at a coupling part 5 in one preceding step in a learning process where the new input signal and the instructor signal are offered from the signal offering part 7 and the coupling constant is corrected with the coupling constant correcting part 8. Then, a processing to return the coupling constant to the one of one preceding step is performed. Thereby, the characteristic of the neural net can be returned to the past characteristic at an arbitrary step.


Inventors:
Okuma, Kenji
Tanaka, Toshiaki
Application Number:
JP1989000160122
Publication Date:
February 04, 1991
Filing Date:
June 22, 1989
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
G06F15/18; G06N3/04; G06N99/00; (IPC1-7): G06F15/18



 
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