α
i
ψ(t)
α
2
=
1
T
1
T
2
;
α
1
α
2
= T
1
+ T
2
,
ψ(t)=c
1
e
−t/T
1
+ c
2
e
−t/T
2
,
T
1
T
2
α
1
α
2
x
10
=0, 5
x
20
= −0, 5
¨
ψ(t) − ξ
1 − βψ
2
˙
ψ(t)+ψ =0.
u =
(1 + λ)g
λ
tg x
2
+
(1 + λ)L
λ
˙x
2
(t)
cos x
2
tg x
2
+
γ
λ
˙x
2
(t)
cos x
2
− ξ
1 − βψ
2
˙
ψ(t)+ψ.
L =0, 1 L
=0, 1 M =1 m =0, 1
g =9, 8 D
s
= 100 γ =1 λ =1 β =2 ξ =0, 5
µ(x
1
,...,x
4
)
µ(x
1
,...,x
4
)