1.2.1.
, , , .. - , , .
, , . , . ( ) , 1 , 0 , , , . . .
(0, 1)
1 , 2 .
( ), , .
l K i;
l = K * i
, .
2 : ()
, .
, , , : , . 150 , 40 , 60 .
= 150 * 40 * 60 = 360 . .
, (8 ), = 360 * 1 = 360 .
: 1 () = 1024 , 1 () = 1024 . 360 / 1024 = 351,56 351,56 / 1024 = 0,34 .
, . - 10 15 . 600 , 4 .
, . , 600 , . 10 15 600 = 9000 . 4 , 9000 4 = 36000 .
36000: 8 = 4500
4500: 1024 = 4,39 .
1.2.2. ( )
|
|
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() , 1928. ( )
N ( ), ( ) I N
I =log2 N
..
N= 2 I
(/, ./., ./.)
( , log ab = x, ax=b b a , a b )
, , :
I = log2 4 = 2 ().
1.2.3. ( )
. ,
40- XX .
N
I = - ∑pilog2pi
i=1
pi , .. i - N
