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Alternative investigation into ``Surprising sinc sums and integrals'' (Q515290)

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scientific article; zbMATH DE number 6694043
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English
Alternative investigation into ``Surprising sinc sums and integrals''
scientific article; zbMATH DE number 6694043

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    Alternative investigation into ``Surprising sinc sums and integrals'' (English)
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    13 March 2017
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    The aim of this paper is to present a simple illustrated explanation of some remarkable identities about certain sums and integrals of the sinc function (where \(\text{sinc}(x)= \sin(x)/x\) for \(x\neq 0\); and \(=1\), for \(x=0\)). There are utilized such tools as convolution, Fourier series expansions and Parseval's theorem.
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    Fourier transform
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    Fourier series
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    Parseval identity
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    sinc function
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