Input-Output Relationship of LTI System - Convolution

[@WonYYang]

%sig01f06_.m
% to plot several models of the unit impulse function
clear, clf
t=[-400:400]/200+eps; % Time range to plot the graphs on
%t=[-400:400]/200;
D=1; % Initialize the value of D.
for i=1:5
xa=(abs(t)