Crossref Citations
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Chen, Han-lin
Chui, Charles K.
and
Micchelli, Charles A.
1989.
Multivariate Approximation Theory IV.
p.
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Published online by Cambridge University Press: 24 October 2008
In this paper we are concerned with the following question: Given a function class , the space of L2-one periodic complex valued functions, when does sampling a function give optimal information for approximation? To make this question precise, we introduce the quantity
, where A is any mapping from ℝN and I is any continuous linear mapping from into ℝN.