syms
g s r y
g=(s^2+3*s+2)/(s*(s+0.5)^2*(s^2+2*s+2))
pretty(g)
r=1/s
y=g*r
pretty(ilaplace(y))
>>
g =
(s^2+3*s+2)/s/(s+1/2)^2/(s^2+2*s+2)
2
s + 3 s + 2
---------------------------
2 2
s (s + 1/2) (s + 2
s + 2)
r =
1/s
y =
(s^2+3*s+2)/s^2/(s+1/2)^2/(s^2+2*s+2)
352
4
t - 14 + 12/5 t exp(- 1/2 t) + --- exp(- 1/2 t) - 2/25 exp(-t) cos(t)
25
14
+ -- exp(-t) sin(t)
25
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