det
Syntax
det(X)
Arguments
X is a matrix.
Details
Return the determinant of matrix X. NULL values are replaced with 0 in the calculation.
Examples
$ x=1..4$2:2;
$ x;
#0 |
#1 |
---|---|
1 |
3 |
2 |
4 |
$ x.det();
-2
$ x=1 2 3 6 5 4 8 7 0$3:3;
$ x;
#0 |
#1 |
#2 |
---|---|---|
1 |
6 |
8 |
2 |
5 |
7 |
3 |
4 |
0 |
$ det(x);
42
$ x=1 2 3 6 5 4 8 7 NULL $3:3;
$ x;
#0 |
#1 |
#2 |
---|---|---|
1 |
6 |
8 |
2 |
5 |
7 |
3 |
4 |
$ det(x);
42