- - .
, , , , =() , , - . c , .
, - ε>0. , , h h/2. j , .. xi i h h/2 (
(34)
ε, , ε. h. (, h).
2. ( 1). , y'=2-3y (0) = 1. = 0 =0.2 h =0.2 : , - . 1
=1 =2 . , y(0.2) .
(8) | 0.4 | 0.11 | 0.62 | ≈-0.04 | ≈0.07 |
(14) | 0.675 | ≈ -0.0407 | ≈ 0.5936 | ≈-0.01 | ≈ -0.05 |
(15) | ≈0.5692 | ≈0.0032 | ≈0.5820 | ≈-0.0001 | ≈0.003 |
(16) | 0.62 | ≈ -0.0102 | ≈0.5793 | ≈ 0.0026 | ≈ -0.008 |
1, , ( ), -.
|
|
. , , (1)-(2) - (33). 11 (1) ( .
, , , , h - (33), i= 0,1, 2,...
, Θi, , i i+1 ; , , .
-, (32) . , , : - (32), (1) ( , , ); , ( h(!)) .
, - , , - , .
i- (1)-(2) :
. R ε, , .. .. R≤ε, ε. : h:= 2h.