Sumários
Aula 4
11 Fevereiro 2025, 13:00 • Annabela Pelicano
Matrizes.
Adição e multiplicação
de matrizes.
Operations on matrices
11 Fevereiro 2025, 09:30 • Giorgio Trentinaglia
The concept of matrix; column vectors and row vectors; square matrices; ex. 4 on p. 6 of PUC. m-by-n matrices as linear maps from n-space to m-space. Basic operations on matrices and linear maps: sum, multiplication by scalars, difference; exercise 1 on p. 6 of PUC. Definition of matrix product; interpretation as compositon of linear maps; ex. 3 on p. 6 of PUC. Comments on linear systems as matrix relations.