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Diffstat (limited to 'Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.7.a')
| -rw-r--r-- | Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.7.a/Ex2_2.7A.r | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.7.a/Ex2_2.7A.r b/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.7.a/Ex2_2.7A.r new file mode 100644 index 00000000..34dc004b --- /dev/null +++ b/Introduction_To_Linear_Algebra_by_Gilbert_Strang/CH2/EX2.7.a/Ex2_2.7A.r @@ -0,0 +1,11 @@ +# Example : 2.7A Chapter : 2.7 Pageno : 114 +# Multiplication by Permutation matrices +P<-matrix(c(0,0,1,1,0,0,0,1,0),ncol=3) +A<-matrix(c(1,4,5,4,2,6,5,6,3),ncol=3) +Q<-t(P) +PA<-P%*%A +PAQ<-PA%*%Q +print("P*A") +print(PA) +print("P*A*Q") +print(PAQ)
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