Which one of the following is not a unit step function?
Posted: Thu Jul 14, 2022 11:05 am
a) u(t)=1 for t ≥ 0
b) u(t)=0 for t < 0
c) u(t)=\(\frac{dr(t)}{dt}\) for t ≥ 0
d) u(t)=\(\frac{dp(t)}{dt}\) for t ≥ 0
b) u(t)=0 for t < 0
c) u(t)=\(\frac{dr(t)}{dt}\) for t ≥ 0
d) u(t)=\(\frac{dp(t)}{dt}\) for t ≥ 0