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Theorem matrix.nondegenerate.exists_not_ortho_of_ne_zero

Modification history

2021-10-26 20:05
src/linear_algebra/matrix/nondegenerate.lean
refactor(linear_algebra/matrix/nonsingular_inverse): split out files for adjugate and nondegenerate (#9974) …
Modified matrix.nondegenerate.exists_not_ortho_of_ne_zeroView on Github →
2021-09-08 21:47
src/linear_algebra/matrix/nonsingular_inverse.lean
feat(linear_algebra/matrix): `M` maps some `v ≠ 0` to zero iff `det M = 0` (#9041) …
Added matrix.nondegenerate.exists_not_ortho_of_ne_zeroView on Github →