Theorem Matrix.posDef_iff_eq_conjTranspose_mul_self

Modification history

2026-04-17 09:59
Mathlib/Analysis/Matrix/Order.lean
chore: remove declarations deprecated between 2021-04-15 and 2025-10-15 (#38057) …
Deleted Matrix.posDef_iff_eq_conjTranspose_mul_selfView on Github →
2025-10-08 02:34
Mathlib/Analysis/Matrix/Order.lean
chore(LinearAlgebra/Matrix/PosDef): deprecate `PosSemidef.sqrt` in favour of `CFC` (#29896) …
Modified Matrix.posDef_iff_eq_conjTranspose_mul_selfView on Github →
2025-08-07 15:06
Mathlib/LinearAlgebra/Matrix/PosDef.lean
chore(LinearAlgebra/Matrix/PosDef): lemma in wrong namespace (#28084) …
Added Matrix.posDef_iff_eq_conjTranspose_mul_selfView on Github →