DLMF:4.37.E18 (Q1937): Difference between revisions

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‎Changed an Item: Add constraint
‎Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: Q10784 / rank
 
Normal rank
Property / Symbols used: Q10784 / qualifier
 
Defining formula:

∈ {\displaystyle{\displaystyle\in}}

\in
Property / Symbols used: Q10784 / qualifier
 
xml-id: introduction.Sx4.p1.t1.r10.m2abdec

Revision as of 19:16, 1 January 2020

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DLMF:4.37.E18
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    Statements

    Defining formula
    arcsinh ⁡ ( i ⁢ y ) = - 1 2 ⁢ π ⁢ i ± ln ⁡ ( ( y 2 - 1 ) 1 / 2 - y ) , hyperbolic-inverse-sine 𝑖 𝑦 plus-or-minus 1 2 𝜋 𝑖 superscript superscript 𝑦 2 1 1 2 𝑦 {\displaystyle{\displaystyle\operatorname{arcsinh}\left(iy\right)=-\tfrac{1}{2% }\pi i\pm\ln\left((y^{2}-1)^{1/2}-y\right),}}
    0 references
    DLMF id
    DLMF:4.37.E18
    0 references
    constraint
    y ∈ ( - ∞ , - 1 ] 𝑦 1 {\displaystyle{\displaystyle y\in(-\infty,-1]}}
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    Symbols used
    the ratio of the circumference of a circle to its diameter
    Defining formula
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2acdec
    0 references
    Q10784
    Defining formula
    ∈ {\displaystyle{\displaystyle\in}}
    xml-id
    introduction.Sx4.p1.t1.r10.m2abdec
    0 references
     
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