Formula:KLS:09.06:04

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λ ( x ) R n ( λ ( x ) ) = A n R n + 1 ( λ ( x ) ) - ( A n + C n ) R n ( λ ( x ) ) + C n R n - 1 ( λ ( x ) ) 𝜆 𝑥 dual-Hahn-R 𝑛 𝜆 𝑥 𝛾 𝛿 𝑁 subscript 𝐴 𝑛 dual-Hahn-R 𝑛 1 𝜆 𝑥 𝛾 𝛿 𝑁 subscript 𝐴 𝑛 subscript 𝐶 𝑛 dual-Hahn-R 𝑛 𝜆 𝑥 𝛾 𝛿 𝑁 subscript 𝐶 𝑛 dual-Hahn-R 𝑛 1 𝜆 𝑥 𝛾 𝛿 𝑁 {\displaystyle{\displaystyle{\displaystyle\lambda(x)R_{n}\!\left(\lambda(x)% \right)=A_{n}R_{n+1}\!\left(\lambda(x)\right)-\left(A_{n}+C_{n}\right)R_{n}\!% \left(\lambda(x)\right)+C_{n}R_{n-1}\!\left(\lambda(x)\right)}}}

Substitution(s)

C n = n ( n - δ - N - 1 ) subscript 𝐶 𝑛 𝑛 𝑛 𝛿 𝑁 1 {\displaystyle{\displaystyle{\displaystyle C_{n}=n(n-\delta-N-1)}}} &

A n = ( n + γ + 1 ) ( n - N ) subscript 𝐴 𝑛 𝑛 𝛾 1 𝑛 𝑁 {\displaystyle{\displaystyle{\displaystyle A_{n}=(n+\gamma+1)(n-N)}}} &

λ ( x ) = x ( x + γ + δ + 1 ) 𝜆 𝑥 𝑥 𝑥 𝛾 𝛿 1 {\displaystyle{\displaystyle{\displaystyle\lambda(x)=x(x+\gamma+\delta+1)}}}


Proof

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Symbols List

& : logical and
R n subscript 𝑅 𝑛 {\displaystyle{\displaystyle{\displaystyle R_{n}}}}  : dual Hahn polynomial : http://dlmf.nist.gov/18.25#T1.t1.r5

Bibliography

Equation in Section 9.6 of KLS.

URL links

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