. , , , , , . .
, . ().
, , , .
. ,
(). , , . , . , .. .
, . , , .
(t)= , (3.1)
i(t) i - , n .
. 3 (.3,), (.3,) (.3,). , , *, , , **.
)
. 3.
, , = 1+2; ;
P A(t)=exp (-lA t);
P (t)=exp (-l t); (3.2)
P (t)=exp (-l t);
lA, l,l - , , , ,,.
. , , , , , .
|
|
(. .3,,) , (2.2). P(t), P(t), .
: Q (t) =1- P (t);
: Q (t) =1- P (t).
Q (t) =[1- P (t)][ 1- P (t)], (3.3)
:
P (t)=1- Q (t) = 1-[1- P (t)][ 1- P (t)]. (3.4)
P (t)= P (t) P (t)= P (t){ 1-[1- P (t)][ 1- P (t)]}. (3.5)
:
P (t)=(-lA t){1-[1-(-l t)][1-(-l t)]}=[-(l +l) t ]+ [-(l +l) t ]- [-(l +l +l) t ]. (3.6)
, (3.2)-(3.5) (3.6).
:
= { [-(l +l)t]+ [-(l +l)t]- [-(l +l +l)t]} dt =
=1/(l +l)+1/(l +l)-1/(l +l +l). (3.7)
, , .. . , .
P (t)=exp (-l t), (3.8)
l - , .
.=1/l. (3.9)
.
t
V . = t [1- (-li t)]. (3.10)
,
V . = t [1- (-l t)].
, .. , .
n
V =1- (1- V .). (3.11)
|
|
, , .. V = , , .,
= . /( . + ). (3.12)