UpperTriangularMatrixQ

Available

True if a matrix is upper triangular.

Forms

UpperTriangularMatrixQ[m]

UpperTriangularMatrixQ[m, k]

Verified examplesUpperTriangularMatrixQ[{{1, 2}, {3, 4}}] → FalseOptions

Tolerance — default Automatic

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Topics

Matrices And Linear Algebra - Matrix Predicates »
Matrix Predicates - Basic
New In120 Alphabetical Listing - U

Related

UpperTriangularize UpperTriangularMatrix LowerTriangularMatrixQ DiagonalMatrixQ Band LUDecomposition MatrixQ PositiveDefiniteMatrixQ SquareMatrixQ SymmetricMatrixQ Adjugate AntihermitianMatrixQ

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