1 files changed, 24 insertions, 24 deletions

diff --git a/40/CH8/EX8.24/Exa_8_24.sce b/40/CH8/EX8.24/Exa_8_24.sce
index 5ad54e146..4cf5fd699 100755
--- a/40/CH8/EX8.24/Exa_8_24.sce
+++ b/40/CH8/EX8.24/Exa_8_24.sce
@@ -1,24 +1,24 @@
-//The importance of Periodic extension

-//(a)For M=3

-x=[1 2 1];

-XDFT=dft(x,-1)

-w=exp(-%i*2*%pi/3);

-for i=1:3

-    for j=1:3

-        WN(i,j)=w^((i-1)*(j-1));

-    end

-end

-WI=WN';

-xn=1/3*WI*XDFT

-//The result is periodic with M=3 & 1 period equals x[n]

-//(b)For M=4

-y=[1 2 1 0];

-YDFT=dft(y,-1)

-w=exp(-%i*%pi/2);

-for i=1:4

-    for j=1:4

-        WN(i,j)=w^((i-1)*(j-1));

-    end

-end

-WI=WN';

-yn=1/4*WI*YDFT

+//The importance of Periodic extension
+//(a)For M=3
+x=[1 2 1];
+XDFT=fft(x,-1)'
+w=exp(-%i*2*%pi/3);
+for i=1:3
+    for j=1:3
+        WN(i,j)=w^((i-1)*(j-1));
+    end
+end
+WI=WN';
+xn=1/3*WI*XDFT
+//The result is periodic with M=3 & 1 period equals x[n]
+//(b)For M=4
+y=[1 2 1 0];
+YDFT=fft(y,-1)'
+w=exp(-%i*%pi/2);
+for i=1:4
+    for j=1:4
+        WN(i,j)=w^((i-1)*(j-1));
+    end
+end
+WI=WN';
+yn=1/4*WI*YDFT
\ No newline at end of file