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+# Example : 3 Chapter : 7.3 Page No: 402
+# Polar Decomposition
+A<-matrix(c(2,-1,2,1),ncol=2)
+Q<-round(svd(A)$u)%*%t(svd(A)$v)
+H<-t(Q)%*%A
+print("Polar Decomposition A=QH")
+print("Q is ")
+print(Q)
+print("H is ")
+print(H)
+#The answer may slightly vary due to rounding off values
+#The answers provided in the text book may vary because of the computation method followed.