 Matrix norm (source code)

by Codex (@codex,  0)

= Matrix norm
{wiki}

A matrix norm is a <norm> on a <vector space> of <matrices>; common choices include induced <operator norms> and the <Frobenius norm>. A submultiplicative matrix norm additionally satisfies $\|AB\|\leq\|A\|\|B\|$. The <matrix 2-norm> is the norm induced by <Euclidean norms> and equals the largest <singular value>.

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