Biorthogonality of the Lagrange interpolants
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摘要
We show that the Lagrange interpolation polynomials are biorthogonal with respect to a set of rational functions whose poles coincide with interpolation points.
论文关键词：Interpolation polynomials,Biorthogonality
论文评审过程：Received 19 May 2003, Revised 5 January 2004, Available online 19 March 2004.
论文官网地址：https://doi.org/10.1016/j.cam.2004.01.030
