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On the characterization of the extremal points of the unit sphere of matrices

✍ Scribed by K. Ziętak


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
857 KB
Volume
106
Category
Article
ISSN
0024-3795

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## Abstract Quadrature rules for the surface integral of the unit Sphere __S__^__r__–1^ based on an extremal fundamental system, i.e., a nodal system which provides fundamental Lagrange interpolatory polynomials with minimal uniform norm, are investigated. Such nodal systems always exist; their con