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+//Graphical//
+//Implementation of Equation 2.1.8 in Chapter 2
+//Digital Signal Processing by Proakis, Third Edition, PHI
+//Page 45
+
+clear; clc; close;
+L = 4; //Upperlimit
+n = -L:L;
+x = [zeros(1,L),0:L];
+a=gca();
+a.thickness = 2;
+a.y_location = "middle";
+plot2d3('gnn',n,x)
+xtitle('Graphical Representation of Unit Ramp Signal','n','x[n]');