Abstract multivariate algebraic function activated neural network approximations

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Keywords:

algebraic sigmoid function, multivariate neural network approximation, quasi-interpolation operator, Kantorovich type operator, quadrature type operator, multivariate modulus of continuity, abstract approximation, iterated approximation

Abstract

Here we exhibit multivariate quantitative approximations of Banach space valued continuous multivariate functions on a box or R
N ; N 2 N, by the multivariate normalized, quasi-interpolation, Kantorovich type and quadrature type neural network operators. We study also the case of approximation by iterated operators of the last four types. These approximations are achieved by establishing multidimensional Jackson type inequalities involving the multivariate modulus of continuity of the engaged function or its high order FrÈchet derivatives. Our multivariate operators are deÖned by using a multidimensional density function induced by the
algebraic sigmoid function. The approximations are pointwise and uniform. The related feed-forward neural network is with one hidden layer

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Published

2023-12-18

How to Cite

George A. Anastassiou, & Robert Kozma. (2023). Abstract multivariate algebraic function activated neural network approximations. Journal of Computational Analysis and Applications (JoCAAA), 31(4), 622–653. Retrieved from http://eudoxuspress.com/index.php/pub/article/view/99

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