Sign determinancy in LU factorization of P-matrices

Johnson, Charles R.Olesky, D. DaleVan den Driessche, P.2010-05-132010-05-1319942010-05-13http://hdl.handle.net/1828/2764entechnical reports (mathematics and statistics)Sign determinancy in LU factorization of P-matricesTechnical ReportDepartment of Computer ScienceDepartment of Mathematics and Statistics