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

---
 70/CH3/EX3.4.1/3_4_1.sci | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100755 70/CH3/EX3.4.1/3_4_1.sci

(limited to '70/CH3/EX3.4.1')

diff --git a/70/CH3/EX3.4.1/3_4_1.sci b/70/CH3/EX3.4.1/3_4_1.sci
new file mode 100755
index 000000000..3b9c0e549
--- /dev/null
+++ b/70/CH3/EX3.4.1/3_4_1.sci
@@ -0,0 +1,10 @@
+//page 175
+clear;
+close;
+clc;
+thetha=45;//Taking some value for thetha.
+Q=[cos(thetha) -sin(thetha);sin(thetha) cos(thetha)];
+disp(Q,'Q=');
+disp(Q','Q''=inv(Q)=');
+disp('Q rotates every vector through an angle thetha, and Q'' rotates it back through -thetha.The columns are clearly orthogonal and they are orthonormal because sin^2(theta)+cos^2(thetha)=1.');
+//end
-- 
cgit