Formula:8962

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Digital Library of Mathematical Functions ID 28.8.E4

U m ( ξ ) D m ( ξ ) - 1 2 6 h ( D m + 4 ( ξ ) - 4 ! ( m 4 ) D m - 4 ( ξ ) ) + 1 2 13 h 2 ( D m + 8 ( ξ ) - 2 5 ( m + 2 ) D m + 4 ( ξ ) + 4 !  2 5 ( m - 1 ) ( m 4 ) D m - 4 ( ξ ) + 8 ! ( m 8 ) D m - 8 ( ξ ) ) + , asymptotic-expansion subscript 𝑈 𝑚 𝜉 Whittaker-D 𝑚 𝜉 1 superscript 2 6 Whittaker-D 𝑚 4 𝜉 4 binomial 𝑚 4 Whittaker-D 𝑚 4 𝜉 1 superscript 2 13 superscript 2 Whittaker-D 𝑚 8 𝜉 superscript 2 5 𝑚 2 Whittaker-D 𝑚 4 𝜉 4 superscript  2 5 𝑚 1 binomial 𝑚 4 Whittaker-D 𝑚 4 𝜉 8 binomial 𝑚 8 Whittaker-D 𝑚 8 𝜉 {\displaystyle{\displaystyle U_{m}(\xi)\sim D_{m}\left(\xi\right)-\frac{1}{2^{% 6}h}\left(D_{m+4}\left(\xi\right)-4!\dbinom{m}{4}D_{m-4}\left(\xi\right)\right% )+\frac{1}{2^{13}h^{2}}\left(D_{m+8}\left(\xi\right)-2^{5}(m+2)D_{m+4}\left(% \xi\right)+4!\,2^{5}(m-1)\dbinom{m}{4}D_{m-4}\left(\xi\right)+8!\genfrac{(}{)}% {0.0pt}{}{m}{8}D_{m-8}\left(\xi\right)\right)+\cdots,}}


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