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Formula:3922

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Digital Library of Mathematical Functions ID 10.19#Ex7

J ν ′ ⁡ ( ν ⁢ sec ⁡ β ) ∼ ( sin ⁡ ( 2 ⁢ β ) π ⁢ ν ) 1 2 ⁢ ( - sin ⁡ ξ ⁢ ∑ k = 0 ∞ V 2 ⁢ k ⁢ ( i ⁢ cot ⁡ β ) ν 2 ⁢ k - i ⁢ cos ⁡ ξ ⁢ ∑ k = 0 ∞ V 2 ⁢ k + 1 ⁢ ( i ⁢ cot ⁡ β ) ν 2 ⁢ k + 1 ) , asymptotic-expansion diffop Bessel-J 𝜈 1 𝜈 𝛽 superscript 2 𝛽 𝜋 𝜈 1 2 𝜉 superscript subscript 𝑘 0 subscript 𝑉 2 𝑘 𝑖 𝛽 superscript 𝜈 2 𝑘 𝑖 𝜉 superscript subscript 𝑘 0 subscript 𝑉 2 𝑘 1 𝑖 𝛽 superscript 𝜈 2 𝑘 1 {\displaystyle{\displaystyle J_{\nu}'\left(\nu\sec\beta\right)\sim\left(\frac{% \sin\left(2\beta\right)}{\pi\nu}\right)^{\frac{1}{2}}\*\left(-\sin\xi\sum_{k=0% }^{\infty}\frac{V_{2k}(i\cot\beta)}{\nu^{2k}}-i\cos\xi\sum_{k=0}^{\infty}\frac% {V_{2k+1}(i\cot\beta)}{\nu^{2k+1}}\right),}}


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