EntityQ814361· pop 15· linked from 167 articlescompanion matrixSign in to savematrix with a specific relation to its characteristic polynomial pConnectionsblock matrixEntityeigenvectors and eigenvaluesEntityinvertible matrixEntityadjacency matrixEntityJordan normal formEntitydiagonalizable matrixEntityband matrixEntityunimodular matrixEntitydefinite matrixEntitystatisticsEntityInternational Standard Book NumberEntitylinear algebraEntitydigital object identifierEntitymatrixEntitygraph theoryEntitycorrelationEntityfieldEntityidentity matrixEntitylinear independenceEntitytranspose matrixEntityCategoriesMatrices (mathematics)Matrix normal formsMatrix theory