10.

, , ( , , , ). , , , " " , . . - ZIP, GZ, . , ( 80- ), .

. , . . . . . . .

[20], , . . ., , ..., .. () ^ ... .

, [20] , (-, ), ^ () 1.

. . . 1 2, . 1 = 2 I(1, 2) = 0, ,

(1, 2) = 1 + 2 I (1, 2) = 21.

1 2 . . . = (1,2). - . . . = (1, 2,..., ) , = 1.

1,1 (X) = £()/, = (1, 2,..., ), . . 1,1 (X) X. 1 (X) X. () 1 ^ ^ () - X 1 (X) 1/ ^ 1 ^ 1 (X) .

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

> 0 , ( / ), - , , , . ,

^ = , ^2, . . . , /^ ^1 = (1, 2, . . . , ^ 2 = (+1, +2, . . . , 2)

. ., . . = ((;_1)+1 ,(;_1)+2,..., ). 1 = 1 1 ) = (1) ^ 1 + 1 = 1 + 1, ,

. . = 1/. 1 /.

. . . . 1, 2,... , ( = 0)= = 3/4 ( = 1) = = 1/4 1 .

= 4 lg2 4 + 4 lg2 4 = 2 4 lg2 3 0.811 /.

0 1 1 . 1. 2. 2- . . . X = (1 ,2)

X

00

01

10

11

9/16

3/16

3/16

1/16

^()

0

10

110

111

)

1

2

3

3.

9 3 3 1 27 1() = (1 + 2 + 3 + 3) /2 = = 0.84375,

. . , . 3 ~ 0.823, 4 ~ 0.818 . .

, . . . ( 0 1). . . . . . . . X , () ^ /^2 1 (X) ^ 1 / ^2 . , , () 1 ^ / lg2 (X) 1/ ^ 1 / lg2 , = ().

, , , , . . , . . ., .