%% L05_Hz
%% ==============
%% Script to analyse tranfer function in matlab.
%% See Problem Set 04: Q1 (a)
%%
%% Created  : 31 July 2005
%% Modified : 31 July 2005
%%
%% Copyright (c) 2005 Salman Durrani .
%% ------------------------------------------------------------

clc
clear all

%% Specify transfer function H(z) coefficients in standard DSP form
num=[1 1/3];
den=[1 -1/2];

%% pole zero map
figure
zplane(num,den)

%% impulse response h[n]
figure
impz(num,den)

%% step response
figure
stepz(num,den)