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| author | prashantsinalkar | 2019-10-04 12:24:07 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2019-10-04 12:24:07 +0530 |
| commit | b3f3a8ecd454359a2e992161844f2fb599f8238a (patch) | |
| tree | 7bb3f64824627ef179d5f341266a664fd0b69011 /Linear_Algebra_by_Jim_Hefferon/CH1/EX1.11 | |
| parent | 80492d3788738910b80dc16f918511057b7321d6 (diff) | |
| download | R_TBC_Uploads-b3f3a8ecd454359a2e992161844f2fb599f8238a.tar.gz R_TBC_Uploads-b3f3a8ecd454359a2e992161844f2fb599f8238a.tar.bz2 R_TBC_Uploads-b3f3a8ecd454359a2e992161844f2fb599f8238a.zip | |
Initial commit/added all books
Diffstat (limited to 'Linear_Algebra_by_Jim_Hefferon/CH1/EX1.11')
| -rw-r--r-- | Linear_Algebra_by_Jim_Hefferon/CH1/EX1.11/Ex1_11.R | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Linear_Algebra_by_Jim_Hefferon/CH1/EX1.11/Ex1_11.R b/Linear_Algebra_by_Jim_Hefferon/CH1/EX1.11/Ex1_11.R new file mode 100644 index 00000000..a005839b --- /dev/null +++ b/Linear_Algebra_by_Jim_Hefferon/CH1/EX1.11/Ex1_11.R @@ -0,0 +1,18 @@ +#Example 1.11,page 6
+#package used: matlib
+#installation run command : install.packages("matlib")
+#package repo : https://github.com/friendly/matlib
+
+#installation and loading library
+#install.packages("matlib")
+library("matlib")
+
+#program
+A <- matrix(c(1,2,0,0,-1,-2,1,0,0,1,0,2,0,2,1,1),ncol=4)
+b <- c(0,4,0,5)
+Ab <- cbind(A,b)
+Ab <- rowadd(Ab,1,2,-1)
+Ab <- rowswap(Ab,2,3)
+Ab <- rowadd(Ab,3,4,-2)
+Ab
+#Back-substitution gives w = 1, z = 2 , y = -1, and x = -1.
\ No newline at end of file |