Least-Squares Solutions of XTAX = B over Positive Semidefinite Matrixes A. Journal of Computational Mathematics, [S. l.], v. 21, n. 2, p. 167–174, 2003. Disponível em: https://global-sci.com/index.php/JCM/article/view/11541. Acesso em: 6 dec. 2025.