n*********e 发帖数: 149 | 1 I have a function
exp(-t/t0)*(1+K*cos(w*t))
where t0, K and w are constants
is this function a periodic function?
if it is, T=2*pi/w ???
thanks | w******o 发帖数: 442 | 2 no, since f(t+T) != f(t)
【在 n*********e 的大作中提到】![](/moin_static193/solenoid/img/up.png) : I have a function : exp(-t/t0)*(1+K*cos(w*t)) : where t0, K and w are constants : is this function a periodic function? : if it is, T=2*pi/w ??? : thanks
| n*********e 发帖数: 149 | 3 oh, if I don't care the amplitude, is it perodic?
【在 w******o 的大作中提到】![](/moin_static193/solenoid/img/up.png) : no, since f(t+T) != f(t)
| w******o 发帖数: 442 | 4 I think so, because g(t+T)=g(t)
【在 n*********e 的大作中提到】![](/moin_static193/solenoid/img/up.png) : oh, if I don't care the amplitude, is it perodic?
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