Signals and Systems - Engineering
Q1:
 then system is |
Q1:
then system is |
ROC will be |z| > 0.4 and |z| > 2
Hence ROC ⇒ |z| > 0.4, which is exterior of circle of radius 0.4
Hence causal if ROC is |z| > 0.4 then non-causal.
