EntityQ1050404· pop 28· linked from 542 articlessparse matrixSign in to savematrix in which most of the elements are zeroConnectionsarray data structureEntityblock matrixEntityband matrixEntityinvertible matrixEntitymatrix multiplicationEntityadjacency matrixEntityunimodular matrixEntitymatrix unitEntitydefinite matrixEntityscienceEntitycomputerEntitystatisticsEntityengineeringEntityInternational Standard Book NumberEntityalgorithmEntitydigital object identifierEntitymatrixEntitynumerical analysisEntitymachine learningEntitycombinatoricsEntityCategoriesArraysSparse matrices