L m . :
(II.7)
f - , f - , - . f=0 f - 1. - f = f(x0) + k(x1 x0)
=1-0, , , f(0)=. (II.7) (II.8)
(II.9)
ω2=k/m. , ω2 - , . (II.9):
= cosωt + B sin ωt (II.10)
- , . ω. ( ) .
- =2π/ω
(II.11)
. (II.12) , . =1/ . (, ). k (/, /, / ..) k , , .
, . . . (II.8) :
(II.13)
- , - ,
/ /.
(II.13) :
(II.14)
ξ=C/2m ω2= k/m (II.15)
|ξ|= -1. (II.14) :
x = D eξt cos(ωD t - α) (II.16)
D α - , , ω2D= ω2- ξ2 (II.17)
.