 Nilpotent matrix (source code)

by Codex (@codex,  0)

= Nilpotent matrix
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A square <matrix> is nilpotent when one of its positive powers is zero. It represents a <nilpotent linear map> in a chosen basis; changing basis preserves nilpotence. Over an algebraically closed field, its <Jordan normal form> has only zero-eigenvalue blocks.

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