Determine if the given system is stable:
(a + ib)^n u(n) + (c + id)^n u(n)
Simulate a second-order system under a unit step input:
y''(t) + 2ζωn·y'(t) + ωn²·y(t) = ωn²
Determine if the given second-order system is stable:
y''(t) + 2ζωn·y'(t) + ωn²·y(t) = ωn²