Методы математической физики - 162 стр.

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` P
`
(x) x P
0
`
(x) + P
0
`1
(x) = 0 .
x
P
0
`1
(x)
(` + 1) P
0
`+1
(x) x (` + 1) P
0
`
(x) (` + 1)
2
P
`
(x) = 0 .
(` + 1) ` + 1 `
P
0
`
(x) ` P
`1
(x) x P
0
`1
(x) = 0 .
P
0
`1
(x)
(1 x
2
) P
0
`
(x) = x ` P
`
(x) + ` P
`1
(x) .
x P
0
`1
(x)
£
(1 x
2
) P
0
`
(x)
¤
0
= ` (` + 1) P
`
(x) ,
1 6 x 6 1
1
Z
1
P
`
(x) P
n
(x) dx = 0 (` 6= n) .
£
(1 x
2
) P
0
`
(x)
¤
0
+ ` (` + 1) P
`
(x) = 0 ,
£
(1 x
2
) P
0
n
(x)
¤
0
+ n (n + 1) P
n
(x) = 0 .