DLMF:18.7.E4 (Q5572): Difference between revisions

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DLMF:18.7.E4
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    Defining formula
    U n ⁡ ( x ) = C n ( 1 ) ⁡ ( x ) = ( n + 1 ) ⁢ P n ( 1 2 , 1 2 ) ⁡ ( x ) / P n ( 1 2 , 1 2 ) ⁡ ( 1 ) , Chebyshev-polynomial-second-kind-U 𝑛 𝑥 ultraspherical-Gegenbauer-polynomial 1 𝑛 𝑥 𝑛 1 Jacobi-polynomial-P 1 2 1 2 𝑛 𝑥 Jacobi-polynomial-P 1 2 1 2 𝑛 1 {\displaystyle{\displaystyle U_{n}\left(x\right)=C^{(1)}_{n}\left(x\right)=% \ifrac{(n+1)P^{(\frac{1}{2},\frac{1}{2})}_{n}\left(x\right)}{P^{(\frac{1}{2},% \frac{1}{2})}_{n}\left(1\right)},}}
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    DLMF:18.7.E4
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