1 files changed, 21 insertions, 0 deletions
diff --git a/2279/CH4/EX4.14/Ex4_14.sce b/2279/CH4/EX4.14/Ex4_14.sce
new file mode 100644
index 000000000..06942d2f9
--- /dev/null
+++ b/2279/CH4/EX4.14/Ex4_14.sce
@@ -0,0 +1,21 @@
+//Example 4.14
+//Convolution sum of x[n] and h[n]
+clc
+clear
+n=0:100;
+n1=0:200;
+a=0.7//assume the constant a=0.7
+for i=1:length(n)
+    x(i)=a^n(i);
+    h(i)=1;
+end
+y=convol(x,h);
+subplot(3,1,1)
+xtitle("input signal x(n)","....................n","x[n]");
+plot(n,x,'.');
+subplot(3,1,2)
+xtitle("system response h(n)","....................n","h[n]");
+plot(n,h,'.');
+subplot(3,1,3)
+xtitle("output signal y(n)",".............................n","y[n]");
+plot(n1,y,'.');