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Results tagged with matrices
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user 36731
Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.
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Incoherence of the row/column span
We shall be primarily interested in subspace with low coherence (incoherence) as matrices whose column and row spaces have low coherence cannot really be in the null space of the sampling operator. …
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