Formula:KLS:09.07:03: Difference between revisions

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( n + 1 ) P n + 1 ( λ ) ( x ; ϕ ) - 2 [ x sin ϕ + ( n + λ ) cos ϕ ] P n ( λ ) ( x ; ϕ ) + ( n + 2 λ - 1 ) P n - 1 ( λ ) ( x ; ϕ ) = 0 𝑛 1 Meixner-Pollaczek-polynomial-P 𝜆 𝑛 1 𝑥 italic-ϕ 2 delimited-[] 𝑥 italic-ϕ 𝑛 𝜆 italic-ϕ Meixner-Pollaczek-polynomial-P 𝜆 𝑛 𝑥 italic-ϕ 𝑛 2 𝜆 1 Meixner-Pollaczek-polynomial-P 𝜆 𝑛 1 𝑥 italic-ϕ 0 {\displaystyle{\displaystyle{\displaystyle(n+1)P^{(\lambda)}_{n+1}\!\left(x;% \phi\right)-2\left[x\sin\phi+(n+\lambda)\cos\phi\right]P^{(\lambda)}_{n}\!% \left(x;\phi\right){}+(n+2\lambda-1)P^{(\lambda)}_{n-1}\!\left(x;\phi\right)=0% }}}

Proof

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Symbols List

P n ( α ) subscript superscript 𝑃 𝛼 𝑛 {\displaystyle{\displaystyle{\displaystyle P^{(\alpha)}_{n}}}}  : Meixner-Pollaczek polynomial : http://dlmf.nist.gov/18.19#P3.p1
sin sin {\displaystyle{\displaystyle{\displaystyle\mathrm{sin}}}}  : sine function : http://dlmf.nist.gov/4.14#E1
cos cos {\displaystyle{\displaystyle{\displaystyle\mathrm{cos}}}}  : cosine function : http://dlmf.nist.gov/4.14#E2

Bibliography

Equation in Section 9.7 of KLS.

URL links

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