On uniqueness of bestL1-approximation in sobolev spaces
作者:
A. Kroó,
J. J. Swetits,
期刊:
Numerical Functional Analysis and Optimization
(Taylor Available online 1992)
卷期:
Volume 13,
issue 1-2
页码: 29-41
ISSN:0163-0563
年代: 1992
DOI:10.1080/01630569208816459
出版商: Marcel Dekker, Inc.
数据来源: Taylor
摘要:
In this paper we investigate the uniqueness of best approximation of continuous functions on [-aa] in the norm, by elements of Haar andA-spaces. It turns out that the size of the interval is crucial for uniqueness. In most cases we shall determine the exact set of a's for which uniqueness holds. We also show that in the case whenr= 1 the approximation by Haar spaces yields uniqueness for everya.
点击下载:
PDF (1797KB)
返 回