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-- [ 4 ] --

N , .

N Uj = u ji, N i = N ( u ji U j ) u j2 = N i = U j j - ;

u j2 j - ;

u ji i - .

2.5. [69]:

( ).

:

N ( v ji V j ) D = i =1 v j2.

N .

v ji :

N ( v ji V j ) i = v j2.

S ( v ji ) = D = N () V j t PN S ( v ji ) v ji V j + t PN S ( v ji ), t PN = 2,0 P = 0,95 N 100.

.

V j :

N ( v ji V j ) S ( v ji ) i = S( V j ) = =.

N ( N 1) N v j :

v j = t PN S ( V j ).

P = 0,95 N 100 V j v j v j = 2 S ( V j ) .. v j 2 S ( V j ) V j v j + 2 S ( V j ).

u j2 u j2.

S ( u j2 ) = S ( v ji ) 2 ;

N S ( v ji ) S ( u j2 ) =.

2 N .



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