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Diffstat (limited to 'Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.2.a')
| -rw-r--r-- | Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.2.a/Ex2_2.2a.r | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.2.a/Ex2_2.2a.r b/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.2.a/Ex2_2.2a.r new file mode 100644 index 00000000..f543583e --- /dev/null +++ b/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.2.a/Ex2_2.2a.r @@ -0,0 +1,14 @@ +#Example : 2.2A Chapter : 2.2 page no : 50
+#Pivots and Multipliers in converting matrix to upper traingular system
+matrix(c(1,-1,0,-1,2,-1,0,-1,2),ncol=3)->A
+A
+print(paste("First pivot is",A[1,1]))
+l21<-A[2,1]/A[1,1]
+print(paste("Multiplier L21 to convert the second row first element to 0 is",l21))
+A[2,]<-A[2,]-l21*A[1,]
+A
+print(paste("The second pivot is ",A[2,2]))
+l32<-A[3,2]/A[2,2]
+A[3,]<-A[3,]-l32*A[2,]
+print("The equivalent Upper traingular system for the matrix A is ")
+A
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