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Theorems · Definition · linear algebra

Matrix.diagonal

{n : Type u_3} → {α : Type v} → [DecidableEq n] → [Zero α] → (n → α) → Matrix n n α

diagonal d is the square matrix such that (diagonal d) i i = d i and (diagonal d) i j = 0 if i ≠ j. Note that bundled versions exist as: * Matrix.diagonalAddMonoidHom * Matrix.diagonalLinearMap * Matrix.diagonalRingHom * Matrix.diagonalAlgHom

Defined in
Mathlib.Data.Matrix.Diagonal
Cited by
314 results in Mathlib
Foundations
Depth 14 from the axioms, rests on 70 definitions · uses Quot.sound
Assumes
DecidableEqZero

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