Definition
Determinant
The determinant of a square matrix
is given by: where
is the set of all permutations of and is the signum of a permutation . For simplicity, the determinant can be writen as:
Properties
Rule of Sarrus
Definition
Link to originalRule of Sarrus
The number of permutations of a
square matrix is . The rule of Sarrus states that the determinant of a square matrix is given by: