Gustina Y. FAKTORISASI LDU PADA MATRIKS NONPOSITIF TOTAL NONSINGULAR. Jurnal Matematika UNAND [Internet]. 2016 May 27 [cited 2026 Nov. 3];5(2):33-7. Available from: https://jmua.fmipa.unand.ac.id/index.php/jmua/article/view/218