1. 1. 1 B
2. 2. = 0 [x(t)]*x(t) t / 1 2 3
3. 3. 1. . f = - kx) (f = 0) . [x(t) ]*x(t)
4. 4. x(t)D x(t) x1x2 Dx(t) = 0 x1xDx(t) = 0 Dx(t) = 0 k/m
5. 5. . OKx(t) t x RR SxDx SDx x x(t) t xxt
6. 6. . x1x2Dx(t) = 0 Dx1(t) = 0Dx2(t) = 0 Dx1(t) + x2(t)) = 0 6.
7. 7. x x x x A A A
8. 8. .
9. 9. 8. 1. 2. 3. 2
10. 10. A = + i ( -AB
11. 11. 9. Re TeX 10. . Re(x(t)) = x(t)x(t) 78 x x(t) = Re(x(t)) x(t) Rex(t)) Q(x(t)) := x(t) - x*(t)Q(x(t)) = 0