Theorem Matrix.posSemidef_iff_eq_conjTranspose_mul_self

Modification history

2026-03-25 05:05
Mathlib/Analysis/Matrix/Order.lean
chore: remove declarations deprecated between 2021-03-24 and 2025-09-24 (#37118) …
Deleted Matrix.posSemidef_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.posSemidef_iff_eq_conjTranspose_mul_selfView on Github →
2025-05-07 23:30
Mathlib/LinearAlgebra/Matrix/PosDef.lean
feat(Matrix/PosDef): decomposition into units (#24647) …
Added Matrix.posSemidef_iff_eq_conjTranspose_mul_selfView on Github →