1) , , , - .. xn - , , ( ).
2) , .. , - .
3) , .
( ) - () . ( ) Pst, s£t:
Pst=|| p(s, i, t, j)=pst (i, j) || i, jÎX.
p(s, i, t, j)=P(s, i, t, {j})
p, . p(s, i, t, j) P{xt=j|xs=i}.
, , , , Pst , .. 1 :
P(s, x, s, ) = dx(G) Pss=E - .
, - !!!
-
( )
, .
Psu = Pst Ptu
Pst=Ps,s+1Ps+1,s+2...Pt-1,t=Ps+1Ps+2...Pt
4) (=[0, ¥) (-¥, ¥)), . .