Find the time function y(kT) corresponding to the following closed form z-transforms Y{z):
(a)
{b)
(c)
Y(z)=~ z 2 -1 Y(z) = 2z z 2 - 0.5z - 0.5 Y(z) = 0.522z2 + 0.36lz- 0.203 z3- 2.347z2 + 1.797z- 0.449 For each of these, use the following methods:
(i) Inverse transform method {ii) Partial fraction expansion and use of z-transform table {iii) Power ser·ies expansion 663 Problem