DLMF:10.68.E8 (Q3874): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: cosine function / rank
 
Normal rank
Property / Symbols used: cosine function / qualifier
 
Defining formula:

cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}

\cos@@{\NVar{z}}
Property / Symbols used: cosine function / qualifier
 
xml-id: C4.S14.E2.m2abdec

Revision as of 14:29, 2 January 2020

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DLMF:10.68.E8
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    Statements

    Defining formula
    ber ν ′ ⁡ x = 1 2 ⁢ M ν + 1 ⁢ cos ⁡ ( θ ν + 1 - 1 4 ⁢ π ) - 1 2 ⁢ M ν - 1 ⁢ cos ⁡ ( θ ν - 1 - 1 4 ⁢ π ) = ( ν / x ) ⁢ M ν ⁢ cos ⁡ θ ν + M ν + 1 ⁢ cos ⁡ ( θ ν + 1 - 1 4 ⁢ π ) = - ( ν / x ) ⁢ M ν ⁢ cos ⁡ θ ν - M ν - 1 ⁢ cos ⁡ ( θ ν - 1 - 1 4 ⁢ π ) , diffop Kelvin-ber 𝜈 1 𝑥 1 2 modulus-Bessel-M 𝜈 1 phase-Bessel-Theta 𝜈 1 1 4 𝜋 1 2 modulus-Bessel-M 𝜈 1 phase-Bessel-Theta 𝜈 1 1 4 𝜋 𝜈 𝑥 modulus-Bessel-M 𝜈 phase-Bessel-Theta 𝜈 modulus-Bessel-M 𝜈 1 phase-Bessel-Theta 𝜈 1 1 4 𝜋 𝜈 𝑥 modulus-Bessel-M 𝜈 phase-Bessel-Theta 𝜈 modulus-Bessel-M 𝜈 1 phase-Bessel-Theta 𝜈 1 1 4 𝜋 {\displaystyle{\displaystyle\operatorname{ber}_{\nu}'x=\tfrac{1}{2}M_{\nu+1}% \cos\left(\theta_{\nu+1}-\tfrac{1}{4}\pi\right)-\tfrac{1}{2}M_{\nu-1}\cos\left% (\theta_{\nu-1}-\tfrac{1}{4}\pi\right)=(\nu/x)M_{\nu}\cos\theta_{\nu}+M_{\nu+1% }\cos\left(\theta_{\nu+1}-\tfrac{1}{4}\pi\right)=-(\nu/x)M_{\nu}\cos\theta_{% \nu}-M_{\nu-1}\cos\left(\theta_{\nu-1}-\tfrac{1}{4}\pi\right),}}
    0 references
    DLMF id
    DLMF:10.68.E8
    0 references
    Symbols used
    Kelvin function
    Defining formula
    ber ν ⁡ ( x ) Kelvin-ber 𝜈 𝑥 {\displaystyle{\displaystyle\operatorname{ber}_{\NVar{\nu}}\left(\NVar{x}% \right)}}
    xml-id
    C10.S61.E1.m2addec
    0 references
    the ratio of the circumference of a circle to its diameter
    Defining formula
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2aadec
    0 references
    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2abdec
    0 references
     
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