Two-variable determinant audit
Interpret determinant magnitude and orientation for a two-variable transformation.
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Use comma-separated finite numbers on two lines. Magnitudes must be at most 1e9 and at least 1e-12, or zero.
The starting values are hypothetical. Results update as you edit. Use aggregate or synthetic inputs only.
Calculation results
- Determinant
- 6
- Area factor
- 6
- Orientation
- Preserved
How to interpret the output
Computes ad−bc for a 2×2 linear transformation. Magnitude is area scaling in consistent coordinate units. Near cancellation limits numeric accuracy, and magnitude alone does not establish conditioning. Source checked 12 November 2026.
Method reference