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();
// output
-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);
// output
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);
// output
42