Function func

recipes/Python/579010_oscylator/recipe-579010.py:10–12

(t)

def func(t):
	f = np.exp(-t)*np.cos(20.0*np.pi*t)
	return f

def funkcja(t):
	f = np.exp(-t)*np.cos(20.0*np.pi*t)+0.5*np.exp(-t/0.5)*np.cos(10.0*np.pi*t)