Best one-sided \(L^1\)-approximation of bivariate functions by sums of univariate ones

DOI10.1007/PL00000432zbMath0964.41018MaRDI QIDQ1587794

Werner Haussmann, Petar P. Petrov, Dimiter P. Dryanov

Publication date: 9 July 2001

Published in: Archiv der Mathematik (Search for Journal in Brave)

zbMATH Keywords

continuously differentiablesuperposition of functionscharacterization of approximatesinterpolation on a grid

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Multidimensional problems (41A63) Approximation with constraints (41A29) Approximation by other special function classes (41A30)

Related Items (4)

Interpolation and \(L_1\)-approximation by trigonometric polynomials and blending functions ⋮ Canonical sets of best \(L_1\)-approximation ⋮ On trigonometric blending interpolation and cubature formulae ⋮ Best one-sided \(L^1\)-approximation by blending functions of order \((2,2)\)

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