From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2294/CH3/EX3.21/EX3_21.sce | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 2294/CH3/EX3.21/EX3_21.sce

(limited to '2294/CH3/EX3.21')

diff --git a/2294/CH3/EX3.21/EX3_21.sce b/2294/CH3/EX3.21/EX3_21.sce
new file mode 100755
index 000000000..62f6d131b
--- /dev/null
+++ b/2294/CH3/EX3.21/EX3_21.sce
@@ -0,0 +1,31 @@
+//Example 3.21
+//Determine the response of the below relaxed system.
+clc;
+close;
+ n=-10:.01:10;
+ for i=1:length(n)
+     if n(i)<0 then
+         h(i)=0;x(i)=0;
+     else
+         h(i)=(1/3)^n(i);
+         x(i)=2^n(i);
+     end
+ end
+ y=convol(h,x);
+ //figure
+ f=scf(0);
+ plot(n,h,'black');
+ xtitle('input response1','n','h(n)');
+ xs2jpg(0, 'problem29-plot-a.jpg');
+// figure
+f=scf(1);
+ plot(n,x,'red');
+ xtitle('input response2','n','x(n)');
+ xs2jpg(1, 'problem29-plot-b.jpg');
+// figure
+f=scf(2);
+ n1=-20:.01:20;
+ plot(n1,y,'green');
+ xtitle('output response','n','y(n)');
+ xs2jpg(2, 'problem29-plot-c.jpg');
+ 
-- 
cgit