initial commit / add all books

2 files changed, 20 insertions, 0 deletions

diff --git a/62/CH6/EX6.3/ex_6_3.png b/62/CH6/EX6.3/ex_6_3.png
new file mode 100755
index 000000000..ebbd81e08
--- /dev/null
+++ b/62/CH6/EX6.3/ex_6_3.png
diff --git a/62/CH6/EX6.3/ex_6_3.sce b/62/CH6/EX6.3/ex_6_3.sce
new file mode 100755
index 000000000..878b45026
--- /dev/null
+++ b/62/CH6/EX6.3/ex_6_3.sce
@@ -0,0 +1,20 @@
+clear;

+close;

+clc;

+w0=2*%pi/4;//%pi/2

+N0=4;

+n=-8:7;

+y=0:3;

+x=[];

+for i=1:length(n)/4

+    x=[x y];

+end

+plot2d3(n,x');

+plot(n,x','r.')

+xtitle('x[n]','n')

+for k=0:3

+    c(k+1)=0;

+    for n=0:3

+       c(k+1)=c(k+1)+ (1/4)*(y(n+1))*(-%i)^(k*n);

+    end

+end