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//Graphical//
//Implementation of Eample 2.1.2 in Chapter 2
//Digital Signal Processing by Proakis, Third Edition, PHI
//Page 52
clear;
clc;
close;
x = [0 0 0 -1 0 1 2 3 4 5 5 5 5 5];
x1 = [0 0 0 x]; //x(n-3)
x2 =[x 0 0]; //x(n+2)
a=gca();
a.thickness = 2;
a.y_location = "middle";
a.x_location = "middle"
subplot(3,1,1)
a=gca();
a.thickness = 2;
a.y_location = "middle";
a.x_location = "middle"
plot2d3('gnn',1:length(x),x)
xtitle('Graphical Representation of signal x',' ---> n',' --->x[n]');
subplot(3,1,2)
a=gca();
a.thickness = 2;
a.y_location = "middle";
a.x_location = "middle"
plot2d3('gnn',x1)
xtitle('Graphical Representation of signal delayed version of x',' ---> n',' --->x[n-3]');
subplot(3,1,3)
a=gca();
a.thickness = 2;
a.y_location = "middle";
a.x_location = "middle"
plot2d3('gnn',x2)
xtitle('Graphical Representation of signal advanced version of x',' ---> n',' --->x[n+2]');
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