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

---
 149/CH2/EX2.31/ex31.sce | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 149/CH2/EX2.31/ex31.sce

(limited to '149/CH2/EX2.31/ex31.sce')

diff --git a/149/CH2/EX2.31/ex31.sce b/149/CH2/EX2.31/ex31.sce
new file mode 100755
index 000000000..bf9507d8e
--- /dev/null
+++ b/149/CH2/EX2.31/ex31.sce
@@ -0,0 +1,11 @@
+clear
+clc
+disp("the equations can be re written as AX=B where X=[x1;x2;x3;x4] and ")
+A=[1 -1 1 1;1 1 -1 1;1 1 1 -1;1 1 1 1]
+B=[2;-4;4;0]
+disp("determinant of A=")
+det(A)
+disp("inverse of A =")
+inv(A)
+disp("X=")
+inv(A)*B
\ No newline at end of file
-- 
cgit