EntityQ1425280· pop 7· linked from 33 articlespivot elementSign in to savenon-zero element of a matrix selected by an algorithmConnectionsrow echelon formEntityInternational Standard Book NumberEntityalgorithmEntitydigital object identifierEntitymatrixEntityInternational Standard Serial NumberEntityabsolute valueEntityMATLABEntitysystem of linear equationsEntitybibcodeEntityquicksortEntityarray data structureEntityGaussian eliminationEntityfloating pointEntityQ22908627Entitymatrix multiplicationEntitysimplex algorithmEntityCPU cacheEntitypermutation matrixEntitysparse matrixEntityCategoriesExchange algorithmsNumerical linear algebra