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Results tagged with linear-algebra
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user 46592
Questions about the properties of vector spaces and linear transformations, including linear systems in general.
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Orthonormal basis with small $\ell_{\infty}$ norm for a subspace
(Note: I posted this question on stackexchange but was told it might be more suited for mathoverflow. There has been some discussion about the problem there.)
Let $U \subset \mathbb{R}^n$ be a $d$-di …
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