Orthogonality of linear combinations of two orthogonal polynomial sequences

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摘要

We find necessary and sufficient conditions for some linear combinations of two sequences of orthogonal polynomials to be again orthogonal.

论文关键词：33C45,Orthogonal polynomials,Linear combination

论文评审过程：Received 9 March 2000, Revised 11 December 2000, Available online 12 October 2001.

论文官网地址：https://doi.org/10.1016/S0377-0427(00)00702-0