: Mathematics: sinc function

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sinc function

In mathematics, physics and engineering, the sinc function, denoted by sinc(x), has two forms, normalized and unnormalized. In mathematics, the historical unnormalized sinc function is defined for $x \neq 0$ by ${\\displaystyle \\operatorname {sinc} x={\ rac {\\sin x}{x}}.}$
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Sinc_function)

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