Homework 2_ECE301Fall2008mboutin - A - B - C - D - E
Linearity and Time Invariance
a). This system cannot be time-invarient. This can be proven by using the 3rd definition of Time Invariance given in class:
b). Assuming the system were linear it would require an input $ X[n]=u[n]\! $ to yield $ Y[n]=u[n-1]\! $.
