Linear Algebra Quiz
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MATRIX DECOMPOSITIONS & STRUCTURE
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Consider a matrix AA with SVD A=UΣVTA = U\Sigma V^T where Σ=diag(6,4,2,0)\Sigma = \text{diag}(6, 4, 2, 0). If we form the rank-2 approximation A2A_2 using the first two singular values, what percentage of the Frobenius norm of AA is preserved in A2A_2?
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