From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3838/CH7/EX7.2.d/EX7_2_D.sce | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 3838/CH7/EX7.2.d/EX7_2_D.sce

(limited to '3838/CH7/EX7.2.d/EX7_2_D.sce')

diff --git a/3838/CH7/EX7.2.d/EX7_2_D.sce b/3838/CH7/EX7.2.d/EX7_2_D.sce
new file mode 100644
index 000000000..2264d412b
--- /dev/null
+++ b/3838/CH7/EX7.2.d/EX7_2_D.sce
@@ -0,0 +1,8 @@
+//Example 7.2.D
+clc;
+syms a z n;
+x=(0.5)^(n);
+X=symsum(x*(z^-n),n,0,%inf);
+d=0.8^(n);
+D=symsum(d*(z^-n),n,-(%inf),-1);
+disp(D+X,'X(z)=');
-- 
cgit