- , . :
![]() | (7.14) |
K 1 = h 3 f (xm, ym), h 3= h /3, | |
K 2 = h 3 f (xm + h 3, ym + K 1), | |
K 3 = h f (xm + h 3, ym +(K 1+ K 2) / 2), | |
K 4 = K 1+ h 3 f (xm + h/ 2, ym +0,375(K 1+ K 3)), | |
K 5 = h 3 f (xm + h, ym +1,5(K 4 - K 3)). |
, R
R = 0,1(2 K 4 - 3 K 3 - K 5). | (7.15) |
. R, (7.15), (m +1)- , ..
, h (7.14) (xm, ym). 32
h (xm +1, ym +1).
, , , , , , .. OX - .