| 摘要 |
PCT No. PCT/JP92/01724 Sec. 371 Date Jul. 6, 1994 Sec. 102(e) Date Jul. 6, 1994 PCT Filed Dec. 25, 1992 PCT Pub. No. WO93/13486 PCT Pub. Date Jul. 8, 1993A method and apparatus for estimating unknown quantities provide plural sets of hierarchical perceptrons 1i in parallel to one another, construct a condition by learning in which a processing equivalent to a numerical formula corresponding to relationship between input and output in each hierarchical perceptron 1i, then construct a partial differential function of the numerical formula by learning based upon a difference between a cumulative addition value of function value outputs and a teacher pattern, and a difference between a partial differential value corresponding to the function value output and a partial differential value teacher pattern. Thereafter, the method and apparatus cumulatively add outputs from the plural hierarchical perceptron 1i, then correct input layer corresponding to unknown quantities of the hierarchical perceptron 1i based upon a difference between the cumulative addition value and the measurement value and a partial differential value of the cumulative addition value. The method and apparatus collect corrected values in the input layer and output the corrected values as unknown quantities estimated values at a timing that the difference becomes sufficiently small.
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