DLMF:32.11.E21 (Q9456)

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DLMF:32.11.E21
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    Statements

    Defining formula
    σ = - sign ⁡ ( ℑ ⁡ s ) , 𝜎 sign 𝑠 {\displaystyle{\displaystyle\sigma=-\operatorname{sign}\left(\Im s\right),}}
    0 references
    DLMF id
    DLMF:32.11.E21
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    Symbols used
    Q10901
    Defining formula
    ℑ ⁡ absent {\displaystyle{\displaystyle\Im}}
    xml-id
    C1.S9.E2.m2adec
    0 references
    Q10897
    Defining formula
    sign ⁡ x sign 𝑥 {\displaystyle{\displaystyle\operatorname{sign}\NVar{x}}}
    xml-id
    introduction.Sx4.p2.t1.r18.m6addec
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    Q12641
    Defining formula
    σ 𝜎 {\displaystyle{\displaystyle\sigma}}
    xml-id
    C32.S11.XMD11.m1adec
    0 references
     
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