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

---
 26/CH1/EX1.5.7/1_5_7.sce | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100755 26/CH1/EX1.5.7/1_5_7.sce

(limited to '26/CH1/EX1.5.7/1_5_7.sce')

diff --git a/26/CH1/EX1.5.7/1_5_7.sce b/26/CH1/EX1.5.7/1_5_7.sce
new file mode 100755
index 000000000..557147482
--- /dev/null
+++ b/26/CH1/EX1.5.7/1_5_7.sce
@@ -0,0 +1,12 @@
+disp('the augmented matrix is:')
+a=[1 3 -3 7 0;0 1 -4 5 0]
+disp(a)
+disp('R1=R1-3*R2')
+a(1,:)=a(1,:)-3*a(2,:)
+disp(a)
+disp('basic variables:x1 x2')
+disp('free variables:x3 x4')
+disp('x1=-9*x3+8*x4')
+disp('x2=4*x3-5*x4')
+disp('hence, solution is')
+disp('[-9*x3+8*x4 4*x3-5*x4 x3 x4]')
\ No newline at end of file
-- 
cgit