3×3 determinant
Calculate the signed volume scale of a 3×3 matrix.
How this works
Expands cofactors along the first row. Zero determinant means the matrix is singular.
Example
Using the example inputs, determinant is 1.
- Matrix, row-major
- 1, 2, 3, 0, 1, 4, 5, 6, 0
- Determinant
- 1
Scope and assumptions
Uses your inputs only; results are rounded for display.
OpenStax mathematics
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