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A note on Lagrange interpolation of functions of generalized bounded variation
Authors:Sun Xiehua
Institution:(1) Division of Mathematics, China Institute of Metrology, 310034 Hangzhou, PRC
Abstract:In this paper we solve a remained problem in 2], whether the following estimate approximation for the classf∈-1, 1]∩BV by Lagrange interpolation based on the Jacobi abscissas: L n (a,d) (f,x)−f(x)=O(1/n) holds, if α≠β α,β≥−1. The project is supported by the Natural Science Foundation of Zhejiang Province.
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