Formula:KLS:14.07:08

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x R ^ n ( x ) = R ^ n + 1 ( x ) + [ 1 + γ δ q - ( A n + C n ) ] R ^ n ( x ) + γ q ( 1 - q n ) ( 1 - γ q n ) ( 1 - q n - N - 1 ) ( δ - q n - N - 1 ) R ^ n - 1 ( x ) 𝑥 dual-q-Hahn-monic-p 𝑛 𝑥 𝛾 𝛿 𝑁 dual-q-Hahn-monic-p 𝑛 1 𝑥 𝛾 𝛿 𝑁 delimited-[] 1 𝛾 𝛿 𝑞 subscript 𝐴 𝑛 subscript 𝐶 𝑛 dual-q-Hahn-monic-p 𝑛 𝑥 𝛾 𝛿 𝑁 𝛾 𝑞 1 superscript 𝑞 𝑛 1 𝛾 superscript 𝑞 𝑛 1 superscript 𝑞 𝑛 𝑁 1 𝛿 superscript 𝑞 𝑛 𝑁 1 dual-q-Hahn-monic-p 𝑛 1 𝑥 𝛾 𝛿 𝑁 {\displaystyle{\displaystyle{\displaystyle x{\widehat{R}}_{n}\!\left(x\right)=% {\widehat{R}}_{n+1}\!\left(x\right)+\left[1+\gamma\delta q-(A_{n}+C_{n})\right% ]{\widehat{R}}_{n}\!\left(x\right){}+\gamma q(1-q^{n})(1-\gamma q^{n}){}(1-q^{% n-N-1})(\delta-q^{n-N-1}){\widehat{R}}_{n-1}\!\left(x\right)}}}

Substitution(s)

C n = γ q ( 1 - q n ) ( δ - q n - N - 1 ) subscript 𝐶 𝑛 𝛾 𝑞 1 superscript 𝑞 𝑛 𝛿 superscript 𝑞 𝑛 𝑁 1 {\displaystyle{\displaystyle{\displaystyle C_{n}=\gamma q\left(1-q^{n}\right)% \left(\delta-q^{n-N-1}\right)}}} &
A n = ( 1 - q n - N ) ( 1 - γ q n + 1 ) subscript 𝐴 𝑛 1 superscript 𝑞 𝑛 𝑁 1 𝛾 superscript 𝑞 𝑛 1 {\displaystyle{\displaystyle{\displaystyle A_{n}=\left(1-q^{n-N}\right)\left(1% -\gamma q^{n+1}\right)}}}


Proof

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Symbols List

& : logical and
R ^ n subscript ^ 𝑅 𝑛 {\displaystyle{\displaystyle{\displaystyle{\widehat{R}}_{n}}}}  : monic dual q 𝑞 {\displaystyle{\displaystyle{\displaystyle q}}} -Hahn polynomial : http://drmf.wmflabs.org/wiki/Definition:monicdualqHahn

Bibliography

Equation in Section 14.7 of KLS.

URL links

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