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On simultaneous Chebyshev approximation

✍ Scribed by C.K Chui; Q.I Rahman; B.N Sahney; P.W Smith

Publisher: Elsevier Science
Year: 1978
Tongue: English
Weight: 73 KB
Volume: 22
Category: Article
ISSN: 0021-9045
DOI: 10.1016/0021-9045(78)90045-x

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The problem is considered of best approximation of finite number of functions simultaneously. For a very general class of norms, characterization results are derived. The main part of the paper is concerned with proving uniqueness and strong uniqueness theorems. For a particular subclass, which incl