The leading eigenspace is the best rank one approximation of A. So the power met... | Hacker News

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hyperbovine on Dec 27, 2017 | parent | context | favorite | on: Power Method for Approximating Eigenvalues [pdf]

The leading eigenspace is the best rank one approximation of A. So the power method finds a minimizer v of the (Frobenius) norm of A-vv^T.

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