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math.FA2022★ 1 cited
A Chebyshev type alternation theorem for best approximation by a sum of two algebras
Aida Asgarova, Ali Huseynli, Vugar Ismailov
Let be a compact metric space, be the space of continuous real-valued functions on , and , be two closed subalgebras of containing constant function…
cs.LG2022
Approximation error of single hidden layer neural networks with fixed weights
Vugar Ismailov
This paper provides an explicit formula for the approximation error of single hidden layer neural networks with two fixed weights.