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

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‎Changed an Item: Add constraint
‎Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: the ratio of the circumference of a circle to its diameter / rank
 
Normal rank
Property / Symbols used: the ratio of the circumference of a circle to its diameter / qualifier
 
Defining formula:

π {\displaystyle{\displaystyle\pi}}

\cpi
Property / Symbols used: the ratio of the circumference of a circle to its diameter / qualifier
 
xml-id: C3.S12.E1.m2aedec

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
     
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