Sumários
Lecture 8
10 Outubro 2023, 13:30 • Alexandra Symeonides
Systems of linear equations (SLEs): firsts definitions and classification. Matricial form
and augmented matrix. Elementary operations and equivalent systems.
Lecture 7
9 Outubro 2023, 08:00 • Alexandra Symeonides
Determinant of a square matrix of type 2x2. 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.