examp40.m

ADSP TOOLBOX: Version 2.0 and gui m-files

clc,echo on 
%EXAMPLE 40 
f=0:0.01:2; w=2*pi*f;                        % Frequency array 
ha=2 ./ (2+j*w);                             % Evaluate H(f) for (a) 
hb=freqs([2 0],[1 2],w);                     % Evaluate H(f) for (b) 
hc=freqs([1 0],[1  1 1],w);                  % Evaluate H(f) for (c) 
plot(f,abs(ha));pause(2)                     % Plot magnitude for (a) 
plot(f,180*angle(ha)/pi);                    % And phase (degrees) 
echo off %end of example