Univariate hyperbolic tangent neural network approximation

Authors:
George A. Anastassiou
Affiliations:
-
Venue:
Mathematical and Computer Modelling: An International Journal
Year:
2011

Citing 3
Cited 2

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Multivariate neural network operators with sigmoidal activation functions

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Abstract

Here we study the univariate quantitative approximation of real and complex valued continuous functions on a compact interval or all the real line by quasi-interpolation hyperbolic tangent neural network operators. This approximation is derived by establishing Jackson type inequalities involving the modulus of continuity of the engaged function or its high order derivative. Our operators are defined by using a density function induced by the hyperbolic tangent function. The approximations are pointwise and with respect to the uniform norm. The related feed-forward neural network is with one hidden layer.