Modification in Functions of Scalar and Matrix Argument: Defining the Gradient for Matrix Functionals with Symmetric Arguments. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 17, n. 2, p. 188–194, 2020. Disponível em: https://www.ignited.in/index.php/jasrae/article/view/12734. Acesso em: 14 july. 2026.