Sumários

Lecture 9

24 Fevereiro 2022, 11:00 Rita Sousa


THEORY

- First properties of the determinant:

* Determinant of the transpose matrix;

* Determinant of a matrix with a zero row and/or column;

* Determinant of an upper triangular matrix.

- Row elementary operations and their effects on the determinant;

- Computing the determinant by row reduction.

PRACTICE

The following exercises from PUC - Week 3 were discussed:

- Ex. 8, 9, 10 e 11

BIBLIOGRAPHY

Section 2.2 of Howard Anton, Chris Rorres, Linear Algebra Applications Version, 10th Edition,
2012, Bookman. ISBN: 978854070169

Aula 8

24 Fevereiro 2022, 09:30 Rita Sousa


Dependência e independência linear. Resolução de exercícios da semana 3 da PUC.

Aula 9

24 Fevereiro 2022, 08:00 Rita Sousa


Determinantes por expansão em cofatores. Determinantes e operações elementares.

Lesson n. 9

24 Fevereiro 2022, 08:00 Rita Sousa


Determinant by cofactor expansion.

Determinant properties.

Determinant by reducing to row echelon form.

Resolution of exercises: ex. 3.2, 7, 9, 10, CUP-Week3

Homework: ex. 11, 12 and 8

Aula 8

23 Fevereiro 2022, 09:30 Rita Sousa


Independência linear.