Методы математической физики - 117 стр.

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e
H
1
[v, w] = H
1
[v, w] + λ
1
H
2
[v, w] ,
e
H
2
[v, w] = H
1
[v, w] + λ
2
H
2
[v, w] .
λ
i
= λ
i
(x, y, v, w)
H
1
, H
2
¯
¯
¯
¯
A
1
+ λ A
2
B
1
+ λ B
2
C
1
+ λ C
2
D
1
+ λ D
2
¯
¯
¯
¯
= 0 .
e
H
1
,
e
H
2
dy
dx
=
B
1
+ λ
1
B
2
A
1
+ λ
1
A
2
,
dy
dx
=
B
1
+ λ
2
B
2
A
1
+ λ
2
A
2
.
e
H
1
[v, w] =
v
τ
1
+ k
1
w
τ
1
,
e
H
2
[v, w] =
v
τ
2
+ k
2
w
τ
2
,
/∂τ
1,2
τ
1
= (A
1
+ λ
1
A
2
)
x
+ (B
1
+ λ
1
B
2
)
y
,
τ
2
= (A
1
+ λ
2
A
2
)
x
+ (B
1
+ λ
2
B
2
)
y
,
k
i
= k
i
(x, y, v, w) =
C
1
+ λ
i
C
2
A
1
+ λ
i
A
2
=
D
1
+ λ
i
D
2
B
1
+ λ
i
B
2
(i = 1, 2) .
H
1
, H
2
λ
1
λ
2
λ
1
λ
2