EntityQ506265· pop 39· linked from 346 articlestriangular matrixSign in to savespecial kind of square matrixConnectionseigenvectors and eigenvaluesEntityinvertible matrixEntityLie algebraEntityblock matrixEntitydiagonal matrixEntitymatrix multiplicationEntityadjacency matrixEntityminorEntitymatrix similarityEntitydiagonalizable matrixEntityunimodular matrixEntityband matrixEntityflagEntitysolvable Lie algebraEntitydefinite matrixEntitystatisticsEntityInternational Standard Book NumberEntitydigital object identifierEntitymatrixEntitynumerical analysisEntityCategoriesMatrices (mathematics)Numerical linear algebra