What's the best way to interpret Jordan Normal Form (e.g. in terms of a linear map)?
For instance, how should we interpret those $1$'s?
2026-03-25 07:47:20.1774424840
Interpreting the Jordan Normal Form
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Interpret those 1's as shearing everything in the subspace of the block that is not in the direction of the unique (up to multiple) eigenvector of the block.