Metric entropy and sparse linear approximation of \(\ell_q\)-hulls for \(0

DOI10.1016/j.jat.2012.10.002zbMath1264.41029OpenAlexW88367155MaRDI QIDQ1935753

Yuhong Yang, Ching-Kang Ing, Fuchang Gao

Publication date: 19 February 2013

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jat.2012.10.002

zbMATH Keywords

linear approximationoptimal approximationmetric entropyaccurate approximation

Mathematics Subject Classification ID

Nonparametric regression and quantile regression (62G08) Linear regression; mixed models (62J05) Learning and adaptive systems in artificial intelligence (68T05) Multidimensional problems (41A63) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

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