.
= 1,2,..., , n = 1,2,..., n. (,) , 1 2, - , 2 - .
: 1 - (= ), 2 - ( = ), 1 2 ( 0, , 1 ). .
= ; = .
=
1 - , 2 - 1 ( 2) .
. : , . , 1 : ( = ) 2
( = )
.. 1 , - , = , , ..
= = (1).
. , (1) , 1, 2.
2 1. 2
.. 1, , 2 - , 2 = 1 , 1 n , ..
= = (2).
. , (2), , 1.
, 1 , 2 1 , .
|
|
. = , ,
u = = .
(,) 1 2, = . : , , , , . :
, 1 2; (,) , .
, (3), - - . : , . , , , , . (,) 1 2, , . 1 2.
1
( = 3; = 1), u = = = 2.
, (3;3) 2 = = , , .. .
2
, , .. . 1 = 2, 2, = 2, 20. 1 = 1, .. 30. 2 = 1, .. 10. 1 2- , 40, 2 2- ..