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).

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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).

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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.

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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)

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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)

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