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2.15.

( ): , , , .

,

. 2.31.

s(t) (2.114) . 2.31.

(2.115)

(. 2.10, . 2.19, ), :

) , , k , , ;

) ( [. (2.82) . 2.19, ].

,

. 2.32, .

, (2.114) s(t) , , , . . . , (2.114) t, . , 2.2, (2.115), , (2.5)

(2.114), (2.9),

(2.117)

, s(t) - ( ).

(2.117) (2.63),

(2.117)

,

(2.117) , ,

(2.117),

, (2.114)

s(t), (2.114) s(t)

s(t) . 2.32, .

, (. 2.32, ). s(t), , , .

(. 2.32, ) , s(t), (2.117)

. 2.32. s(t)

,

, , - , , , . , , , . , ,

(2.114) ( ):

(2.118)

N , (2.118) , . N .

. (2.16) (2.123),

, ,

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