On collocation matrices for interpolation and approximation

Download PDF
Open Webpage

Yeon Ju Lee, Charles A. Micchelli

Published: 01 Jan 2013, Last Modified: 14 May 2025J. Approx. Theory 2013EveryoneRevisionsBibTeXCC BY-SA 4.0
Abstract: In this paper, we study problems of interpolation, linear regression and regularization associated with collocation matrices. We investigate the asymptotic behavior of these problems when the columns of the collocation matrix approach the same vector.