Solved: Let W be an II x I matrix such that Wf W = I. Theil XI! matrix H = 1" - 2W Wf is
Chapter 1, Problem 34(choose chapter or problem)
Let W be an II x I matrix such that Wf W = I. Theil XI! matrix H = 1" - 2W Wf is called a Householder' matrix. (Note that a House holder matrix is the identity matri x plus a scalar multiple of an outer product.) (a) Show that H is symmetric. (b) Show that H - 1 = H f
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