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DLMF:18.7.E22
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Formula:6287
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MaRDI QID
Q6287
Label: DLMF:18.7.E22
Digital Library of Mathematical Functions ID
18.7.E22
lim
α
→
∞
P
n
(
α
,
β
)
(
(
2
x
/
α
)
-
1
)
=
(
-
1
)
n
L
n
(
β
)
(
x
)
.
subscript
→
𝛼
Jacobi-polynomial-P
𝛼
𝛽
𝑛
2
𝑥
𝛼
1
superscript
1
𝑛
Laguerre-polynomial-L
𝛽
𝑛
𝑥
{\displaystyle{\displaystyle\lim_{\alpha\to\infty}P^{(\alpha,\beta)}_{n}\left(% (2x/\alpha)-1\right)=(-1)^{n}L^{(\beta)}_{n}\left(x\right).}}
Constraint(s)
Symbols List
P
n
(
α
,
β
)
(
x
)
Jacobi-polynomial-P
𝛼
𝛽
𝑛
𝑥
{\displaystyle{\displaystyle P^{(\NVar{\alpha},\NVar{\beta})}_{\NVar{n}}\left(% \NVar{x}\right)}}
: Jacobi polynomial
L
n
(
α
)
(
x
)
Laguerre-polynomial-L
𝛼
𝑛
𝑥
{\displaystyle{\displaystyle L^{(\NVar{\alpha})}_{\NVar{n}}\left(\NVar{x}% \right)}}
: Laguerre (or generalized Laguerre) polynomial
n
𝑛
{\displaystyle{\displaystyle n}}
: nonnegative integer
x
𝑥
{\displaystyle{\displaystyle x}}
: real variable
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