[線代] householder
T T
Suppose w = [ 2, -1, 0, 2, 1 ] and the matrix A = I + αww is singular,
then (α, rank(A)) = ?
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[1] [5]
[2] [4] [v^T]
If u = [3], v = [3], and A = I + [u v][u^T], then all the eigenvalues of A = ?
[4] [2]
[5] [1]
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