EntityQ6518931· pop 5· linked from 142 articlesLehmer matrixSign in to saveConnectionsinvertible matrixEntityblock matrixEntitymatrixEntitymain diagonalEntityadjacency matrixEntityband matrixEntityunimodular matrixEntitydefinite matrixEntitymathematicsEntitystatisticsEntitydigital object identifierEntitygraph theoryEntitycorrelationEntityJSTOROrganizationeigenvectors and eigenvaluesEntityidentity matrixEntitylinear independenceEntitytraceEntitysymmetric matrixEntitytriangular matrixEntityCategoriesMatrices (mathematics)