.
(, , , ), .
, , , , . 40- .. .
. , , . , .. , , .
.
. , .
X, .
Pi = P(X~xi) , xi
| xi | x1 | x2 |
| xn |
| Pi | P1 | P2 |
| Pn |
x, .
.
n
H(X) = - S Pi * log Pi
i = 1
:
1. , , ;
2. , ;
3. , .. , .
| xi | x1 | x2 |
| Pi | ½ | ½ |
1.
.
.
. .
n n
Pc = P1*P2**Pn ; Pc = P Pc ; Pc(t) = P Pi (t) .
i = 1 i = 1
,
Pc(t) = P Pªi (t), (a = n)
. .
qc(t) = q1(t) * q2(t) * * qn(t) ;
n n
qc(t) = P qi (t) ; Pc(t) = 1- P qi (t)
i = 1 i = 1
.
.
k1 k2 kr kn
k
S t2 .
i
k k-1
S t2 + S = tg ,
i i
k-1
S
i
() .
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