On piecewise polynomial interpolation in rectangular polygons
نویسندگان
چکیده
منابع مشابه
Polynomial interpolation and cubature over polygons
We have implemented a Matlab code to compute Discrete Extremal Sets (of Fekete and Leja type) on convex or concave polygons, together with the corresponding interpolatory cubature formulas. The method works by QR and LU factorizations of rectangular Vandermonde matrices on Weakly Admissible Meshes (WAMs) of polygons, constructed by polygon quadrangulation. 2000 AMS subject classification: 65D05...
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ژورنال
عنوان ژورنال: Journal of Approximation Theory
سال: 1971
ISSN: 0021-9045
DOI: 10.1016/0021-9045(71)90038-4