Matrix Predicates
Basic
MatrixQ ▪ SquareMatrixQ ▪ DiagonalMatrixQ ▪ UpperTriangularMatrixQ ▪ LowerTriangularMatrixQ
Symmetry Related
SymmetricMatrixQ ▪ AntisymmetricMatrixQ ▪ HermitianMatrixQ ▪ AntihermitianMatrixQ
Quadratic-Form Related
PositiveDefiniteMatrixQ ▪ NegativeDefiniteMatrixQ ▪ PositiveSemidefiniteMatrixQ ▪ NegativeSemidefiniteMatrixQ ▪ IndefiniteMatrixQ
Eigenvalue Related
NormalMatrixQ ▪ DiagonalizableMatrixQ
Inner-Product Related
OrthogonalMatrixQ ▪ UnitaryMatrixQ