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+//Example 1.15<i>
+//Find the even and odd components of the signal
+clc;
+clear;
+t=-10:.1:10;
+for j=1:length(t)
+    i=t(j);
+    x(j)=cos(i)+sin(i)+cos(i)*sin(i);
+    y(j)=cos(-i)+sin(-i)+cos(-i)*sin(-i);
+    e(j)=(1/2)*(x(j)+y(j));   
+    o(j)=(1/2)*(x(j)-y(j));
+end
+disp('In the plot even component is in red and odd component is in blue')
+plot(t,e,'red')
+plot(t,o,'blue')
+//Example 1.15<ii>
+//Find the even and odd components of the signal
+clc;
+clear;
+n=-2:2;
+c=3;
+x=[-2 1 2 -1 3];
+for j=1:length(n)
+    i=n(j);
+    xe(j)=(1/2)*(x(c+i)+x(c-i));
+    xo(j)=(1/2)*(x(c+i)-x(c-i));
+end
+xe=[xe(c-2),xe(c-1),xe(c+0),xe(c+1),xe(c+2)];
+xo=[xo(c-2),xo(c-1),xo(c+0),xo(c+1),xo(c+2)];
+
+disp(xo,'odd component')
+disp(xe,'even component')
+
+