Методы математической физики - 179 стр.

UptoLike

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n
L
n
(x) =
(1)
n
n!
x
n
+ a
n1
x
n1
+ ··· .
L
0
(x) = 1 , L
1
(x) = x + 1 , L
2
(x) =
x
2
2
2x + 1 ,
L
3
(x) =
x
3
6
+
3x
2
2
3x + 1 , . . . .
(1 t) Ψ
x
+ t Ψ = 0 , (1 t)
2
Ψ
t
(1 x t) Ψ = 0 .
Ψ(t, x)
t
L
0
n+1
(x) = L
0
n
(x) L
n
(x) ,
(n + 1) L
n+1
(x) (2n + 1 x) L
n
(x) + n L
n1
(x) = 0 .
L
0
(x) L
1
(x)
n n + 1
x
(n + 2) L
0
n+2
(x) (2n + 3 x) L
0
n+1
(x) + L
n+1
(x) + ( n + 1) L
0
n
(x) = 0 .
L
0
n+2
(x)
L
0
n+1
(x)
x L
0
n
(x) + (n + 1 x) L
n
(x) (n + 1) L
n+1
(x) = 0 .