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, ( ), , . , . , .

. 4.5. , , , , D x = , 1. 1, 2

(4.36)

S1 S2 ,

(4.37)

(4.37)

(4.38)

S1S2 , , . . ,

(4.39)

(4.40)

f -1 , (4.39).

, 2 (. 4.5) 1. , . .

. , 1 2 . 4.5 (4.36).

(4.36)

(4.41)

(4.42)

(4.43)

, 1 2, .. , .

(4.43)

(4.44)

S (4.44):

(4.45)

(4.45) (4.43):

(4.46)

(4.47)

(4.46) (4.47) (4.45),

(4.48)

d y = D y/y D S/S. ,

(4.49)

d 1 = D S 1 /S 1, d 1 = D S 2 /S 2 - 1 2 (. 4.5).

, (4.49) , d 1, d 2 .

(4.49) , 1 2. s 1 s 2,

(4.50)

, 1 .

1 . , (. 4.5) 1 S1 , , , . S1 x . D . , , S1.





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