On interpolation by radial polynomials |
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Authors: | Carl Boor |
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Affiliation: | (1) PO Box 1076, Eastsound, WA, 98245, U.S.A. |
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Abstract: | A lemma of Micchelli's, concerning radial polynomials and weighted sums of point evaluations, is shown to hold for arbitrary linear functionals, as is Schaback's more recent extension of this lemma and Schaback's result concerning interpolation by radial polynomials. Schaback's interpolant is explored. Happy 60th and beyond, Charlie! Mathematics subject classifications (2000) 41A05, 41A6. |
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Keywords: | multivariate polynomial interpolation |
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