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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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Calculate percentage of symmetry of a given matrix

Is it possible to calculate a percentage that quantifies how symmetric a given matrix is? For example, even if a given matrix is not symmetric, instead of just classifying it as "not symmetric", one …
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