3 files changed, 25 insertions, 0 deletions
diff --git a/62/CH6/EX6.5/ex_6_5.sce b/62/CH6/EX6.5/ex_6_5.sce
new file mode 100755
index 000000000..cbad048e5
--- /dev/null
+++ b/62/CH6/EX6.5/ex_6_5.sce
@@ -0,0 +1,25 @@
+clear;
+close;
+clc;
+T0=4;
+w0=%pi/2;
+y=[1 0 0 0];
+n=-8:7;
+x=[];
+for i=1:length(n)/T0
+    x=[x y];
+end
+plot2d3(n,x);
+plot(n,x,'r.');
+xtitle('x[n]','n')
+for k=-9:9
+     c(k+10)=0;
+    for n=0:3
+       c(k+10)=c(k+10)+ (1/4)*(y(n+1))*(%e)^(%i*w0*k*n);
+    end
+end
+k=-9:9;
+figure
+plot2d3(k,abs(c));
+plot(k,c,'r.')
+xtitle('x[n]','n')
+\ No newline at end of file
diff --git a/62/CH6/EX6.5/ex_6_5_1.png b/62/CH6/EX6.5/ex_6_5_1.png
new file mode 100755
index 000000000..f61f05726
--- /dev/null
+++ b/62/CH6/EX6.5/ex_6_5_1.png
diff --git a/62/CH6/EX6.5/ex_6_5_2.png b/62/CH6/EX6.5/ex_6_5_2.png
new file mode 100755
index 000000000..6cdbb79bc
--- /dev/null
+++ b/62/CH6/EX6.5/ex_6_5_2.png