Constructive sparse trigonometric approximation for functions with small mixed smoothness
Numerical Analysis
2015-03-03 v1 Machine Learning
Abstract
The paper gives a constructive method, based on greedy algorithms, that provides for the classes of functions with small mixed smoothness the best possible in the sense of order approximation error for the -term approximation with respect to the trigonometric system.
Cite
@article{arxiv.1503.00282,
title = {Constructive sparse trigonometric approximation for functions with small mixed smoothness},
author = {V. N. Temlyakov},
journal= {arXiv preprint arXiv:1503.00282},
year = {2015}
}