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Diffstat (limited to 'Linear_Algebra_by_Jim_Hefferon/CH1/EX1.8/Ex1_8.R')
| -rw-r--r-- | Linear_Algebra_by_Jim_Hefferon/CH1/EX1.8/Ex1_8.R | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Linear_Algebra_by_Jim_Hefferon/CH1/EX1.8/Ex1_8.R b/Linear_Algebra_by_Jim_Hefferon/CH1/EX1.8/Ex1_8.R new file mode 100644 index 00000000..c4f0cdcf --- /dev/null +++ b/Linear_Algebra_by_Jim_Hefferon/CH1/EX1.8/Ex1_8.R @@ -0,0 +1,17 @@ +#Example 1.8,page 5
+#package used: matlib
+#installation run command : install.packages("matlib")
+#package repo : https://github.com/friendly/matlib
+
+#installing and loading library
+#install.packages("matlib")
+library("matlib")
+
+#program
+A <- matrix(c(40,-50,15,25),ncol = 2)
+b <- c(100,50)
+Ab <- cbind(A,b)
+Ab <- rowadd(Ab,1,2,1.25)
+Ab
+#from row2 : 43.75c = 175,so c= 4
+#from row1 : 40h+15c=100,so h=1
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