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

---
 3293/CH5/EX5.6/Ex5_6.sce | 29 +++++++++++++++++++++++++++++
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 create mode 100755 3293/CH5/EX5.6/Ex5_6.sce

(limited to '3293/CH5/EX5.6/Ex5_6.sce')

diff --git a/3293/CH5/EX5.6/Ex5_6.sce b/3293/CH5/EX5.6/Ex5_6.sce
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+++ b/3293/CH5/EX5.6/Ex5_6.sce
@@ -0,0 +1,29 @@
+//page 158
+//Example 5.6
+clc;
+clear;
+close;
+disp('Given Matrix:');
+A = [1 -1 2 3; 2 2 0 2; 4 1 -1 -1;1 2 3 0];
+disp(A,'A = ');
+disp('After, Subtracting muliples of row 1 from rows 2 3 4');
+disp('R2 = R2 - 2*R1');
+A(2,:) = A(2,:) - 2 * A(1,:);
+disp('R3 = R3 - 4*R1');
+A(3,:) = A(3,:) - 4 * A(1,:);
+disp('R4 = R4 - R1');
+A(4,:) = A(4,:) - A(1,:);
+disp(A,'A = ');
+T = A;                  //Temporary matrix to store A
+disp('We obtain the same determinant as before.');
+disp('Now, applying some more row transformations as:');
+disp('R3 = R3 - 5/4 * R2');
+T(3,:) = T(3,:) - 5/4 * T(2,:);
+disp('R4 = R4 - 3/4 * R2');
+T(4,:) = T(4,:) - 3/4 * T(2,:);
+B = T;
+disp('We get B as:');
+disp(B,'B = ');
+disp('Now,determinant of A and B will be same');
+disp(det(B),'det A = det B = '); 
+//end
-- 
cgit