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An analog of the Sinc approximation for periodic functions
Published 6 Sep 2019 in math.NA and cs.NA | (1909.02732v2)
Abstract: In this paper, we propose an interpolation formula for periodic functions. This formula can be regarded as an analog of the Sinc approximation, which is an interpolation formula for functions defined on the entire infinite interval. Theoretical error analysis and numerical examples show that the proposed formula converges exponentially for analytic periodic functions.
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