1.
[],
N- ; m- ( , ); n- .
, .
:
, .., , . , :
1) , ; , ;
2) 32 ( -).
:
N=mn =232
32 .
I= log2N = log2mn = nlog2m = 32log22=32.
2.
,
:
, 32 . 18 .
1) :
Vd = n = 18
, (5-) :
V = n log2m = 18*log2 (32) = 18*5 = 90 .
2) . :
. |
:
, 3,68*18 = 66,3 .
3) =1/Vd = 66,3/90 = 0,737.
3.
I = (α) - (β) ≤ 1,
(α) , (β)- .
(), N , ,
,
1 = 1/3, 2 = 2/3. , .
:
( - ), , . : , , . :
I = H(α) H (β)= - (½log2½ + ½log2½) + (⅔log2⅔ + ⅓log2⅓) = 1 0,9183 = = 0,0817 / (.. )
4.
. .
|
|
,
N ; m ( , ); n .
, 32 .
:
N = 32, .. 32 .
m = 2, .. . :
n = log2 32 = 5 5 .
5.
( ). , 8 .
10111011, .
V = 8 =1.
.
9213452, .
V = 7 .
6.
.
- , , ,
:
, . : , , . , .. . , . , 4 , , 3 , : 6 ( 2 , , ); ( 4*3*3=36 ):
I = - (36∙(1/36)∙log2(1/36)) = 5,17 .