Geometric Weakly Admissible Meshes, Discrete Least Squares Approximations and Approximate Fekete Points
Numerical Analysis
2009-02-03 v1
Abstract
Using the concept of Geometric Weakly Admissible Meshes together with an algorithm based on the classical QR factorization of matrices, we compute efficient points for discrete multivariate least squares approximation and Lagrange interpolation.
Keywords
Cite
@article{arxiv.0902.0215,
title = {Geometric Weakly Admissible Meshes, Discrete Least Squares Approximations and Approximate Fekete Points},
author = {Len Bos and Jean-Paul Calvi and Norm Levenberg and Alvise Sommariva and Marco Vianello},
journal= {arXiv preprint arXiv:0902.0215},
year = {2009}
}
Comments
20 pages, 14 figures