DLMF:19.4.E9 (Q6129)

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DLMF:19.4.E9
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    Statements

    Defining formula
    ( k ⁢ k ′ 2 ⁢ D k 2 + k ′ 2 ⁢ D k + k ) ⁢ E ⁡ ( ϕ , k ) = k ⁢ sin ⁡ ϕ ⁢ cos ⁡ ϕ 1 - k 2 ⁢ sin 2 ⁡ ϕ . 𝑘 superscript superscript 𝑘 ′ 2 superscript subscript 𝐷 𝑘 2 superscript superscript 𝑘 ′ 2 subscript 𝐷 𝑘 𝑘 elliptic-integral-second-kind-E italic-ϕ 𝑘 𝑘 italic-ϕ italic-ϕ 1 superscript 𝑘 2 2 italic-ϕ {\displaystyle{\displaystyle(k{k^{\prime}}^{2}D_{k}^{2}+{k^{\prime}}^{2}D_{k}+% k)E\left(\phi,k\right)=\frac{k\sin\phi\cos\phi}{\sqrt{1-k^{2}{\sin^{2}}\phi}}.}}
    0 references
    DLMF id
    DLMF:19.4.E9
    0 references
    Symbols used
    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2acdec
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    Legendre’s incomplete elliptic integral of the second kind
    Defining formula
    E ⁡ ( ϕ , k ) elliptic-integral-second-kind-E italic-ϕ 𝑘 {\displaystyle{\displaystyle E\left(\NVar{\phi},\NVar{k}\right)}}
    xml-id
    C19.S2.E5.m2acdec
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    sine function
    Defining formula
    sin ⁡ z 𝑧 {\displaystyle{\displaystyle\sin\NVar{z}}}
    xml-id
    C4.S14.E1.m2acdec
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    Q11807
    Defining formula
    ϕ italic-ϕ {\displaystyle{\displaystyle\phi}}
    xml-id
    C19.S1.XMD4.m1ddec
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    Q11808
    Defining formula
    k 𝑘 {\displaystyle{\displaystyle k}}
    xml-id
    C19.S1.XMD5.m1hdec
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    Q11815
    Defining formula
    k ′ superscript 𝑘 ′ {\displaystyle{\displaystyle k^{\prime}}}
    xml-id
    C19.S1.XMD6.m1gdec
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    Q11817
    Defining formula
    D k subscript 𝐷 𝑘 {\displaystyle{\displaystyle D_{k}}}
    xml-id
    C19.S4.XMD1.m1adec
    0 references
     
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