1 files changed, 38 insertions, 38 deletions
diff --git a/2294/CH1/EX1.13/EX1_13.sce b/2294/CH1/EX1.13/EX1_13.sce
index 861169ea1..67cda22b6 100755
--- a/2294/CH1/EX1.13/EX1_13.sce
+++ b/2294/CH1/EX1.13/EX1_13.sce
@@ -1,38 +1,38 @@
-//Example 1.13<i>
-//Check whether the given signal is periodic or not
-clc;
-t=-10:.01:10;
-y=2*cos(10*t+1)-sin(4*t-1);
-subplot(221)
-plot(t,y);
-disp('(a) The following signal is periodic with period %pi' );
-//Example 1.13<ii>
-//Show whether the given signal is periodic or not
-clc;
-t=-1:.01:1;
-x=cos(60*%pi*t)+sin(50*%pi*t);
-subplot(222)
-plot(t,x);
-disp('(b)Ther following figure shows that the given signal is periodic with the following period');
-//Example1.13<iv>
-//Check whether the given signal is periodic or not
-clc;
-t=-10:0.01:10;
-x=3*cos(4*t)+2*sin(%pi*t);
-subplot(223)
-plot(t,x);
-disp('(c)The signal is not periodic since ratio of two time periods is %pi/4 which is not rational number');
-//Example 1.13<V>
-//Check whether the given signal is periodic or not
-clc;
-t=0:10;
-for i=1:length(t)
-    u(i)=1;
-end
-x=u(i)-(1/2);
-subplot(224)
-plot(t,x);
-disp('(d)The signal is not periodic as seen from figure');
-
-disp('In the figure we have the plots of part (a) - (d) in clockwise order strating from the top left')
-
+//Example 1.13<i>
+//Check whether the given signal is periodic or not
+clc;
+t1=-10:.01:10;
+y1=2*cos(10*t1+1)-sin(4*t1-1);
+subplot(221)
+plot(t1,y1);
+disp('(a) The following signal is periodic with period %pi' );
+//Example 1.13<ii>
+//Show whether the given signal is periodic or not
+clc;
+t2=-1:.01:1;
+x2=cos(60*%pi*t2)+sin(50*%pi*t2);
+subplot(222)
+plot(t2,x2);
+disp('(b)Ther following figure shows that the given signal is periodic with the following period');
+//Example1.13<iv>
+//Check whether the given signal is periodic or not
+clc;
+t3=-10:0.01:10;
+x3=3*cos(4*t3)+2*sin(%pi*t3);
+subplot(223)
+plot(t3,x3);
+disp('(c)The signal is not periodic since ratio of two time periods is %pi/4 which is not rational number');
+//Example 1.13<v>
+//Check whether the given signal is periodic or not
+clc;
+t=0:10;
+for i=1:length(t)
+    u(i)=1;
+    x(i)=u(i)-(1/2);
+end
+
+subplot(224)
+plot(t,x);
+disp('(d)The signal is not periodic as seen from figure');
+
+disp('In the figure we have the plots of part (a) - (d) in clockwise order strating from the top left')
+\ No newline at end of file