DLMF:4.36.E5 (Q1919): Difference between revisions

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Changed an Item: Add constraint
Changed an Item: Add constraint
 
Property / Symbols used
 
Property / Symbols used: Q11217 / rank
 
Normal rank
Property / Symbols used: Q11217 / qualifier
 
Defining formula:

z 𝑧 {\displaystyle{\displaystyle z}}

z
Property / Symbols used: Q11217 / qualifier
 
xml-id: C4.S1.XMD8.m1ddec

Latest revision as of 19:14, 1 January 2020

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DLMF:4.36.E5
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    Statements

    csch z = 1 z + 2 z n = 1 ( - 1 ) n z 2 + n 2 π 2 . 𝑧 1 𝑧 2 𝑧 superscript subscript 𝑛 1 superscript 1 𝑛 superscript 𝑧 2 superscript 𝑛 2 superscript 𝜋 2 {\displaystyle{\displaystyle\operatorname{csch}z=\frac{1}{z}+2z\sum_{n=1}^{% \infty}\frac{(-1)^{n}}{z^{2}+n^{2}\pi^{2}}.}}
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    DLMF:4.36.E5
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    π {\displaystyle{\displaystyle\pi}}
    C3.S12.E1.m2addec
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    csch z 𝑧 {\displaystyle{\displaystyle\operatorname{csch}\NVar{z}}}
    C4.S28.E5.m2aadec
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    n 𝑛 {\displaystyle{\displaystyle n}}
    C4.S1.XMD3.m1ddec
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    z 𝑧 {\displaystyle{\displaystyle z}}
    C4.S1.XMD8.m1ddec
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