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Hyper2d: A numerical code for hyperinterpolation on rectangles
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DOI：10.1016/j.amc.2006.05.129.png)
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Abstract
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Hyperinterpolation at Morrow-Patterson-Xu cubature points for the product Chebyshev measure provides a simple and powerful polynomial approximation method on rectangles. Here, we present an accurate and efficient Matlab/Octave implementation of the hyperinterpolation reserved. (c) 2006 Elsevier Inc. All rights reserved.
Keywords:
bivariate hyperinterpolation
minimal cubature
Morrow-Patterson-Xu points
Lebesgue constant
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