EntityQ3751720· pop 21· linked from 155 articlesidempotent matrixSign in to savematrix which, when multiplied by itself, yields itselfConnectionsblock matrixEntityeigenvectors and eigenvaluesEntityinvertible matrixEntitymatrix multiplicationEntityadjacency matrixEntityprojectionEntitydiagonalizable matrixEntityband matrixEntityunimodular matrixEntitydefinite matrixEntitystatisticsEntityInternational Standard Book NumberEntitycircleEntitylinear algebraEntitymatrixEntityquadratic equationEntitygraph theoryEntitydeterminantEntityeconometricsEntitycorrelationEntityCategoriesLinear algebraMatrices (mathematics)Regression analysis