= f(x) .
m+1 0 = f(x0), 1 = f (x1,),..., = f(xm) , ( ; - ). . , , :
(1)
x0 k0, x1 - k1, , xm - km.
,
(2)
() n ( ) ,
(3)
(1) f(x) , (3) .
, , +1 a0, 1,...,
(4)
(3). (2) , (3) +1 +1 ak (4):
() . , .
Lm(x) , +1 yi = f (x i = 0,1,..., . , ()
(5)
Hn-(m+1)(x) -- 1.
Hn-(m+1)(x) , .. i , (1), ( : i 0 m, (5), i∈{ 0,1,..., }).
(5),
(6)
i,
Hn-(m+1)(x) :
; . , i Hn-(m+1)(x) = , , (1) , (.. 1); Hn-(m+1)(x) (5) . (1) f(x) , , Hn-(m+1)(x) , , (6) ( , f(x)). (1) .
|
|
, n- + 1.
. = f(x) :
(1) : =2;0-1 =1, k1 - 1 = 2, 2 -1=1 => +1=0+1+2 = 7 => n =6. , = f(x), , , 2, 3, 2, 6().
, , ,
(5) 6() L2(x),H3 (x) 3():
(7)
:
= -1, = 0 =1
,
, H 3() (7)
,
:
: (5), :
( , 3())- H0, :
,
(7), :