Generalized strong unicity constants in linear uniform approximation

Generalized strong unicity constants in linear uniform approximation

For linear best uniform approximation, we introduce the generalized strong unicity constant, study its characterizations and obtain a convenient computation of it. This constant has already been used to tell how near a (linear or nonlinear) parameter is to the best (unknown) parameter in aribitrary...

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Veröffentlicht in:International journal of computer mathematics 1996-01, Vol.62 (1-2), p.73-87
Hauptverfasser: Zhu, Changzhong, Dunham, Charles, Schmidt, Darrell
Format: Artikel
Sprache:eng
Schlagworte:
Approximations and expansions
characterization
computation
Exact sciences and technology
G.1.2
generalized strong unicity constant
Mathematical analysis
Mathematics
Numerical analysis
Numerical analysis. Scientific computation
Numerical approximation
Numerical methods in mathematical programming
Numerical methods in mathematical programming, optimization and calculus of variations
Numerical methods in optimization and calculus of variations
Numerical methods in probability and statistics
Sciences and techniques of general use
Uniform approximation
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Beschreibung
Zusammenfassung:For linear best uniform approximation, we introduce the generalized strong unicity constant, study its characterizations and obtain a convenient computation of it. This constant has already been used to tell how near a (linear or nonlinear) parameter is to the best (unknown) parameter in aribitrary parameter norm.
ISSN:0020-7160
1029-0265
DOI:10.1080/00207169608804526