A shape-preserving quasi-interpolation o
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Renzhong Feng; Feng Li
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Article
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2009
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Elsevier Science
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English
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In this paper, we construct a univariate quasi-interpolation operator to non-uniformly distributed data by cubic multiquadric functions. This operator is practical, as it does not require derivatives of the being approximated function at endpoints. Furthermore, it possesses univariate quadratic poly