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JAT
2006
89views more  JAT 2006»
9 years 2 months ago
Continuous and discrete least-squares approximation by radial basis functions on spheres
In this paper we discuss Sobolev bounds on functions that vanish at scattered points on the n-sphere Sn in
Quoc Thong Le Gia, Francis J. Narcowich, Joseph D....
COMPUTING
2006
112views more  COMPUTING 2006»
9 years 2 months ago
Fast Summation of Radial Functions on the Sphere
Radial functions are a powerful tool in many areas of multidimensional approximation, especially when dealing with scattered data. We present a fast approximate algorithm for the ...
Jens Keiner, Stefan Kunis, Daniel Potts
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