Sumários
Lecture 8
23 Fevereiro 2022, 09:30 • Rita Sousa
THEORY
- Linearly independent and linearly dependent sets of vectors: recalling the concepts;
- Definition of determinant for square matrices of order 1 and 2;
- Definition of minor and cofactor of an entry of a square matrix;
- Definition of cofactor expansion along an arbitrary row or column;
- Laplace's definition for the determinant of an arbitrary square matrix;
- Computing determinants of square matrices of order 3: the Sarrus rule.
PRACTICE
The following exercises from CUP - Week 3 were discussed:
- Ex. 3, 5, 6 e 7
BIBLIOGRAPHY
Section 4.3 and 2.1 of Howard Anton, Chris Rorres, Linear Algebra Applications Version, 10th Edition,
2012, Bookman. ISBN: 978854070169
Lesson n. 8
23 Fevereiro 2022, 08:00 • Rita Sousa
Lineraly independent and linearly dependent vectors.
Resolution of exercises: ex. 3.2, CUP - Week 3
Determinants: definition for size 1x1 and 2x2. Arrow technique for size 3x3. Some properties.
Resolution of exercises: ex. 5 and 6, CUP - Week 3.
Aula 8
22 Fevereiro 2022, 16:00 • Rita Sousa
Determinantes por expansão em cofatores.
Exercícios 3.1, 3.2
Aula 8
22 Fevereiro 2022, 14:30 • Rita Sousa
Determinantes por expansão em cofatores.
Exercícios 3.1, 3.2