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://ignited.in/index.php/jasrae/article/view/12734.. Acesso em: 22 oct. 2025.