2.4. .
u*(t) t j- tj-1 , u(tj-1) (. 2.9).
L ( t=tj):
2.5. .
u(t) u(t0) t0 - u'(to)
t = tj,
( 2.10) ( 2.3)
2.9.
, , ,
ε
. u(t) u*(t), . c ε0, . .
(2.5) . , , .
2.6. u(t), 2.11, (2.5) . e0.
tj u*(t) u(tj) Δu(t)=u(t) - u*(tj), ε0.
tj+1 .
|
|
.
2.7. u(t) 2.12 (2.5) . ε0.
tj
u'(tj) u(t) tj.