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Approximation by functions of nonclassical form. (English) Zbl 0751.41001
Approximation theory, spline functions and applications, Proc. NATO Adv. Study Inst., Maratea/Italy 1991, NATO ASI Ser., Ser. C 356, 1-18 (1992).
Summary: [For the entire collection see Zbl 0741.00080.]
This paper summarizes four expository lectures on these topics: (1) Interpolation on the circle, (2) Interpolation on higher-dimensional spheres, (3) Interpolation on Euclidean spaces, and (4) Ridge functions.

MSC:
41A05 Interpolation in approximation theory
41A30 Approximation by other special function classes
Keywords:
Ridge functions
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