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ON MULTIPLE INTERPOLATION OF PERIODIC COMPLEX-VALUED FUNCTIONS (2025)
Выпуск: Т. 17 № 3 (2025)
Авторы: Федотов Александр Иванович

We obtain fully constructive results on construction of trigonometric interpolation polynomials with multiple nodes. We construct polynomials interpolating periodic complex– valued functions of a real variable. The polynomials are represented in general form and in the form of expansions over fundamental polynomials. We provide examples and discuss unresolved problems

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