- This is problem 10.21 (f) in O+W
- Determine z-transform of x[n]=(1/4)^n u[-n+3]
- X(z)=sigma x[n]z^(-n)=sigma (1/4)^(n)z^(-n)=sigma (1/4)^(-n)z^(n)=sigma (1/4)^(-n+3)z^(n-3)
- =(1/64)z^(-3)/(1-4z), |z|<1/4
- =(1/64)z^(-4)/(1-(1/4)z^(-1)), |z|<1/4
- Please place comments below.
- Back to Final Exam Sp 2005 solutions, ECE301 Spring 2013
