DLMF:24.7.E6 (Q7482): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: Q12111 / rank
 
Normal rank
Property / Symbols used: Q12111 / qualifier
 
Defining formula:

t 𝑡 {\displaystyle{\displaystyle t}}

t
Property / Symbols used: Q12111 / qualifier
 
xml-id: C24.S1.XMD6.m1edec

Latest revision as of 01:34, 2 January 2020

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DLMF:24.7.E6
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    Statements

    Defining formula
    E 2 ⁢ n = ( - 1 ) n ⁢ 2 2 ⁢ n + 1 ⁢ ∫ 0 ∞ t 2 ⁢ n ⁢ sech ⁡ ( π ⁢ t ) ⁢ d t . Euler-number-E 2 𝑛 superscript 1 𝑛 superscript 2 2 𝑛 1 superscript subscript 0 superscript 𝑡 2 𝑛 𝜋 𝑡 𝑡 {\displaystyle{\displaystyle E_{2n}=(-1)^{n}2^{2n+1}\int_{0}^{\infty}t^{2n}% \operatorname{sech}\left(\pi t\right)\mathrm{d}t.}}
    0 references
    DLMF id
    DLMF:24.7.E6
    0 references
    Symbols used
    Q11238
    Defining formula
    E n Euler-number-E 𝑛 {\displaystyle{\displaystyle E_{\NVar{n}}}}
    xml-id
    C24.S2.SS2.m1adec
    0 references
    the ratio of the circumference of a circle to its diameter
    Defining formula
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2aedec
    0 references
    Q10770
    Defining formula
    d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
    xml-id
    C1.S4.SS4.m1aedec
    0 references
    hyperbolic secant function
    Defining formula
    sech ⁡ z 𝑧 {\displaystyle{\displaystyle\operatorname{sech}\NVar{z}}}
    xml-id
    C4.S28.E6.m2abdec
    0 references
    Q10771
    Defining formula
    ∫ {\displaystyle{\displaystyle\int}}
    xml-id
    C1.S4.SS4.m3aedec
    0 references
    Q12110
    Defining formula
    n 𝑛 {\displaystyle{\displaystyle n}}
    xml-id
    C24.S1.XMD5.m1edec
    0 references
    Q12111
    Defining formula
    t 𝑡 {\displaystyle{\displaystyle t}}
    xml-id
    C24.S1.XMD6.m1edec
    0 references
     
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