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Journal of Applied & Computational Mathematics

ISSN: 2168-9679

Open Access

A Further Research on the Convergence of Wu-Schabacks Multi-quadric Quasi-Interpolation

Abstract

Yang Zhang, Xue-Zhang Liang and Qiang Li

The paper discusses the error estimate of Wu-Schaback's quasi-interpolant for a wider class of approximated functions (the functions with lower smoothness order). Three cases are considered: a function with a Lipschitz continuous first-order derivative, a continuous function and a Lipschitz continuous function, respectively.

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