.
14.1. ( )
.14.1 | 1. , 1 11= 1Δ11/2. 2, ( ), |
2 22 = 2Δ22/2. , , .
= 11 + 12 + 22 = 1Δ11/2 + 1Δ12 + 2Δ22/2. (14.1)
: Δ11- 1 1;
Δ12 1 2;
Δ21 2 1;
Δ22 2 2.
, ( ) 1 2. :
= 1(Δ11+Δ12)/2 + 2(Δ21+ Δ22)/2. (14.2)
(14.1) (14.2)
1Δ12 = 2 Δ21, 12 = 21. (14.3)
: 1 (Δ12), 2, 2 (Δ21), 1. . , 1 2 .
(
)
(. 14.1) 1 = 2 = 1. . (14.3)
, .. 1 = 2 = 1
. (14.4)
: , , , .
14.3. ()
3, (3.18), , ()
. (14.5)
5, (5.21), , .
, , () (),
. (14.6)
, , , , , , .. , i = 1,2 j = 1,2.
1 N = N 1 = 1. (14.5) (14.6) ..
. (1)
, .
2 N = N 2 = 2,
. (2)
1 2 N = N 1 + N 2 = 1 + 2, , ,
|
|
. (3)
(14.1)
.
(1), (2) (3),
.
:
. (4)
: 1) 1 = 1 ( ), N 1 1 ;
2) 2 = , N 2 = N P, 2 = , .. 12 = 1Δ12 = 1∙ Δ12 = Δ12 = Δ 1.
(4),
. (14.7)
, .