Question: Let 1 2 1 1 and b= A = 0 2 0 4 Find the vector v which defines a suitable Houschold reflector, and

Let 1 2 1 1 and b= A = 0 2 0

Let 1 2 1 1 and b= A = 0 2 0 4 Find the vector v which defines a suitable Houschold reflector, and hence find an isometric matrix Q and an upper triangular matrix R such that QTA = R.

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