Simultaneous approximation of a multivariate function and its derivatives by multilinear splines

• Autores: Ryan Anderson, Yuliya Babenko, Tetiana Leskevych
• Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 183, Nº 1, 2014, págs. 82-97
• Idioma: inglés
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• Resumen

  • In this paper we consider the approximation of a function by its interpolating multilinear spline and the approximation of its derivatives by the derivatives of the corresponding spline.We obtain the exact uniform approximation error on classes of functions with moduli of continuity bounded above by certain majorants.