3.
n -
, ,
y ( n ) = f (x, y, , ,..., y ( n - 1)). (1)
(1), , = (), (1) .
, .
(1) n , .. :
= (, 1, 2,..., n).
, 1, 2,..., n, (1).
, , :
, , ,..., .
(1), , .
(1) , (. 1.1) n = 1.
(1) , .
, , , .
,
, .
2.1.1. y ( n ) = f (x).
n - :
y ( n ) = f (x);
;
;
...............
,
.
,
.
1. , : (0) = 1/32, , .
. 1) :
;
; ;
.
2) 1, 2, 3, 4. :
, 1 = 0, 2 = 1/4, 3 = 0, 4 = 0. ,
.
, k 1
, k - 1 ,
. (2)
k , .. . (2)
.
|
|
z = f (x, 1, 2, ..., n -k ),
y(k) = f (x, 1, 2,.., n -k ) k - .
2.
,
(2) = 1, .
. , .
1. . ,
. (3)
. .
:
.
:
, .
(3).
. (4)
, . z (3)
(x 1)∙ C ' (x) = x (x 1) C' (x) = x
.
(4), (3):
.
,
.
. , :
.
2. 1, 2. (2) = 1, :
, 1 = 3; 2 = 1/3. ,
.