DLMF:6.15.E1 (Q2306): 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.m2adec

Revision as of 01:34, 2 January 2020

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DLMF:6.15.E1
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    Statements

    n = 1 Ci ( π n ) = 1 2 ( ln 2 - γ ) , superscript subscript 𝑛 1 cosine-integral 𝜋 𝑛 1 2 2 {\displaystyle{\displaystyle\sum_{n=1}^{\infty}\mathrm{Ci}\left(\pi n\right)=% \tfrac{1}{2}(\ln 2-\gamma),}}
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    DLMF:6.15.E1
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    γ {\displaystyle{\displaystyle\gamma}}
    C5.S2.E3.m2adec
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    π {\displaystyle{\displaystyle\pi}}
    C3.S12.E1.m2adec
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