IndefiniteMatrixQ

Available

Test whether a matrix is explicitly indefinite, i.e. whether the Hermitian

Forms

IndefiniteMatrixQ[m]

Verified examplesIndefiniteMatrixQ[{{-1, 0}, {0, 1}}] → True IndefiniteMatrixQ[{{2, 0}, {0, 1}}] → False

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Topics

Matrix Predicates - Quadratic-Form Related
New In100 Alphabetical Listing - I

Related

PositiveDefiniteMatrixQ NegativeDefiniteMatrixQ PositiveSemidefiniteMatrixQ NegativeSemidefiniteMatrixQ HermitianMatrixQ SymmetricMatrixQ Eigenvalues SquareMatrixQ ImageCollage ImplicitRegion Inactivate Inactive

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