1 files changed, 21 insertions, 0 deletions
diff --git a/716/CH9/EX9.3/Solved_Ex9_3.sce b/716/CH9/EX9.3/Solved_Ex9_3.sce
new file mode 100755
index 000000000..9a9e9de57
--- /dev/null
+++ b/716/CH9/EX9.3/Solved_Ex9_3.sce
@@ -0,0 +1,21 @@
+//compute circular convolution of x1(n)={2 1 2 1} & x2(n)={1 2 3 4}
+clc;
+clear;
+n=0:1:3;//for four point DFT
+x1=[1 2 3 4];
+disp(x1,'Given signal=>    x1(n)=');
+X1=dft(x1,-1);
+disp(X1,'four point DFT of x(n)=>');
+disp(abs(X1),'magnitude of four point DFT x(n)=>');
+disp(atan(imag(X1),real(X1)),'phase of four point DFT x(n)=>');
+
+x2=[2 1 2 1];
+disp(x2,'Given signal=>    x1(n)=');
+X2=dft(x2,-1);
+disp(X2,'four point DFT of x(n)=>');
+disp(abs(X2),'magnitude of four point DFT x(n)=>');
+disp(atan(imag(X2),real(X2)),'phase of four point DFT x(n)=>');
+
+X3=X1.*X2;
+x3=dft(X3,1);
+disp(x3,'by circular convolution x3(n)=>');
+\ No newline at end of file