We exhibit efficient algorithms to perform the following task: Given
a function $f$ defined on a finite subset $E \subset \mathbb R^n$, compute
a $C^m$ function $F$ on $\mathbb R^n$, with a controlled $C^m$ norm, that
approximates $f$ on the subset $E$.
@article{1236864106,
author = {Fefferman
,
Charles and Klartag
,
Bo'az},
title = {Fitting a $C^m$-Smooth Function to Data II},
journal = {Rev. Mat. Iberoamericana},
volume = {25},
number = {1},
year = {2009},
pages = { 49-273},
language = {en},
url = {http://dml.mathdoc.fr/item/1236864106}
}
Fefferman
,
Charles; Klartag
,
Bo'az. Fitting a $C^m$-Smooth Function to Data II. Rev. Mat. Iberoamericana, Tome 25 (2009) no. 1, pp. 49-273. http://gdmltest.u-ga.fr/item/1236864106/