.
. , , , γ- , , .
- , .
0 t0
P(t0) = P(0, t0) = P(t ³ t0) = 1 F(t) = 1- ò f(t) dt,
P(t0) , t, t = 0, , t0;; F(t) () t; f(t) () t.
0 t0
Q(t0) = Q(0, t0) = P(t < t0) = 1- P(t0) = F(t).
Q(t0) - , t0, t = 0, , t0.
, , 0 t, , , (t) Q(t).
- , , .
l(t) = f(t) / (t).
t , , .. .
- :
T = ò t f(t) dt = ò P(t) dt,
γ -
t γ - , γ . ,
γ = ò f(t) dt.
, .
: , , .
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- S ti m[r(t)], ri(t) .
T0 =(S ti) / m[ r(t) ],
- , . . . .. ( ). Ω (t) r(t) t:
Ω (t) = m[ r(t) ].
ω (t), ,
ω (t) = d[Ω (t)] / dt
k-1 - k -
TK = ò t fK(t) dt = ò PK(t) dt,
t0, k-1 -
QK(t0) = P(tK < t0) = 1 PK(t0)