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