Sbornik zadach
exp ( p . )
U R(p) U m. U m. .
(1 p. T ) ( 1 p. T )
-
UR(p), .. uR(t)=L-1[UR(p)]. -
, (3.14).
U m. T
U1 R ( p ) .
( 1 p. T )
U1R(p) N ( p ) 1 p . T ,
1
p 1 . (3.12) (3.14),
T
U1R(p) Res1 p1 ( t ) U1R(p)ept p1.
Mathcad
U m. T
Res1 p1 ( t ) lim . ep . t .
p p 1 d (N(p))
dp
113
assume U m , T
U m. T t
lim . ep . t
, t>0. U m. exp