Any help with this question would be greatly appreciated

Letube a unit vector and define Qu = I - 2uuT (the T means transpose)

Show that Qu is symmetric and orthogonal, furthermore show that

(Qu)^2 = I

Thanks

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- May 23rd 2007, 09:14 PMAlgebahModified QR factorization
Any help with this question would be greatly appreciated

Let**u**be a unit vector and define Qu = I - 2uuT (the T means transpose)

Show that Qu is symmetric and orthogonal, furthermore show that

**(Qu)^2 = I**

Thanks - May 23rd 2007, 10:22 PMJakeD
- May 24th 2007, 12:58 AMAlgebah
Thankyou very much:)