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Rescaled pure greedy algorithm for Hilbert and Banach spaces.

Authors :
Petrova, Guergana
Source :
Applied & Computational Harmonic Analysis. Nov2016, Vol. 41 Issue 3, p852-866. 15p.
Publication Year :
2016

Abstract

We show that a very simple modification of the Pure Greedy Algorithm for approximating functions by sparse sums from a dictionary in a Hilbert or more generally a Banach space has optimal convergence rates. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10635203
Volume :
41
Issue :
3
Database :
Academic Search Index
Journal :
Applied & Computational Harmonic Analysis
Publication Type :
Academic Journal
Accession number :
118077489
Full Text :
https://doi.org/10.1016/j.acha.2015.10.008