DLMF:18.34.E6 (Q6036)

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Language	Label	Description	Also known as
English	DLMF:18.34.E6	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\frac{1}{2\pi\mathrm{i}}\int_{|z|=1}z^{a-2}y_{n}% \left(z;a\right)y_{m}\left(z;a\right)e^{-2/z}\mathrm{d}z=\frac{(-1)^{n+a-1}n!% \,2^{a-1}}{(n+a-2)!(2n+a-1)}\delta_{n,m},}}

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DLMF:18.34.E6

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{\displaystyle{\displaystyle a=1,2,\dots}}

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Bessel polynomial

Defining formula

{\displaystyle{\displaystyle y_{\NVar{n}}\left(\NVar{x};\NVar{a}\right)}}

C18.S34.E1.m2addec

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Defining formula

{\displaystyle{\displaystyle\delta_{\NVar{j},\NVar{k}}}}

introduction.Sx4.p1.t1.r4.m5adec

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the ratio of the circumference of a circle to its diameter

Defining formula

{\displaystyle{\displaystyle\pi}}

C3.S12.E1.m2adec

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Sitelinks

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