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authorPrashant S2019-10-04 12:27:32 +0530
committerGitHub2019-10-04 12:27:32 +0530
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+#Example 2.10,chapter 5,scetion III.2,page 414
+#package used matlib v0.9.1
+#Github reposiory of matlib :https://github.com/friendly/matlib
+
+#installation and loading library
+#install.packages("matlib")
+library("matlib")
+N <- matrix(c(0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0),ncol=4)
+P <- matrix(c(1,0,1,0,0,2,1,0,1,1,1,0,0,0,0,1),ncol = 4)
+A <- P %*% N %*% Inverse(P)
+A
+#The new matrix,A is nilpotent; its fourth power is the zero matrix.
+x <- P %*% N^4 %*% Inverse(P)
+#since (PNP^-1)^4 = P * N^4 *P^-1
+y <- det(x)
+all.equal(y,0)