.
, , , . , ; - , , .
. :
n= 3,
( ).
, , , . , , :
n* = + ≤ n,
( );
, , .
, , , , . , .
.
(. 1, ) , , . , , , .. (. 1, ).
. () . , i =1 , , i-1, Mi Mi+1.
.
.
. 1
, .
n . , . :
|
|
δn,n-1 Xn,n-1 + δn,n Xn + δn, n+1 Xn,n+1 + Δn,p= 0
, :
δn,n-1 = = ;
δn,n = + = 2 ;
δn,n+1 = = ;
Δn,P = + .
I 1 = I 2 = =I n = I n+1 Xn-1 = Mn-1; Xn = Mn; Xn+1 = Mn+1,
Mn-1ln-1 + 2Mn (ln+ln+1) + Mn+1ln+1 = .
. . , , .
, , , 0.
, , , l0= 0. , .
, , . M Q, , . :
= 0 + n-1 + Mn ,
0 Q0 M Q .
M Q : S = 0; S = 0.
, Q:
Rn = Qn. Qn.