Best approximation by piecewise polynomials with variable knots and degrees

DOI10.1016/0021-9045(79)90128-XzbMath0407.41010MaRDI QIDQ1258052

Wolfgang Dahmen, Karl Scherer

Publication date: 1979

Published in: Journal of Approximation Theory (Search for Journal in Brave)

zbMATH Keywords

DegreesBest ApproximationPiecewise PolynomialsVariable Knots

Mathematics Subject Classification ID

Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Best approximation, Chebyshev systems (41A50) Approximation by polynomials (41A10) Spline approximation (41A15) Approximation by other special function classes (41A30)

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Cites Work

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• Piecewise polynomial approximation on optimal meshes