Sumários
Practical Class 3
28 Outubro 2020, 09:30 • Wilson Araújo
Solution of Exercises of Linear Algebra: 16 e), 17 a), 18 a), 19 a), 21 f) and 24 a).
Lecture6
27 Outubro 2020, 11:00 • Alexandra Symeonides
Determinant of a square matrix of type 2 2. Principal minors. Recursive definition of the determinant by Laplace’s rule. Determinant of the transpose and of triangular matrices. Relation between determinant and invertibility. Determinant of the product; the inverse and integer powers of a matrix. Ex. 29 e).
Lecture 5
26 Outubro 2020, 10:00 • Alexandra Symeonides
Square matrices: identity matrix and inverse matrix. Uniqueness of the inverse matrix.
Relation between invertibility of a square matrix and rank, inverse matrix by Gauss reduction
method. Properties regarding powers, inverse and transpose of a square matrix.
Exercises 21.c) and 23.
Problem session 2
23 Outubro 2020, 09:00 • Martí Rosselló Gómez
Linear algebra exercises 7, 8, 9, 10, 11, 12 a), b), c), 13, 14, 16 a), e), 17 c), 18 a), 19 a)
Problem session 2
21 Outubro 2020, 11:30 • Martí Rosselló Gómez
Linear algebra exercises 8, 9, 10, 11, 12 a), b), c), 13, 14, 15, 16 a), e), 17 c), 18 a), c), 19 a)