From b3f3a8ecd454359a2e992161844f2fb599f8238a Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Fri, 4 Oct 2019 12:24:07 +0530
Subject: Initial commit/added all books

---
 Linear_Algebra_by_Jim_Hefferon/CH1/EX3.5/Ex1_3_5.R | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Linear_Algebra_by_Jim_Hefferon/CH1/EX3.5/Ex1_3_5.R

(limited to 'Linear_Algebra_by_Jim_Hefferon/CH1/EX3.5')

diff --git a/Linear_Algebra_by_Jim_Hefferon/CH1/EX3.5/Ex1_3_5.R b/Linear_Algebra_by_Jim_Hefferon/CH1/EX3.5/Ex1_3_5.R
new file mode 100644
index 00000000..c0a2bc07
--- /dev/null
+++ b/Linear_Algebra_by_Jim_Hefferon/CH1/EX3.5/Ex1_3_5.R
@@ -0,0 +1,18 @@
+#Example 3.5,chapter 1,section 1.3,page 25
+#package used matlib v0.9.1
+#install package using command: install.packages("matlib")
+#Github reposiory of matlib :https://github.com/friendly/matlib
+
+#installation and loading library
+#install.packages("matlib")
+library("matlib")
+
+#program 
+A <- matrix(c(7,8,0,0,0,1,1,3,-7,-5,-3,-6,0,-2,0,-1),ncol=4)
+b <- c(0,0,0,0)
+Ab <- cbind(A,b)
+Ab <- rowadd(Ab,1,2,-8/7)
+Ab <- rowadd(Ab,2,3,-1)
+Ab <- rowadd(Ab,2,4,-3)
+Ab <- rowadd(Ab,3,4,-5/2)
+Ab
\ No newline at end of file
-- 
cgit