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Results tagged with permutations
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user 113174
Questions related to permutations, bijections from a finite (or sometimes infinite) set to itself.
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Better name for “vec transposition permutation matrix”?
Let the operator vec($A$) unroll all the elements of $A$ into a single column vector in column-major order. Then, the elements of vec($A^T$) are a permutation of the elements of vec($A$). If I want to …
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