CALCULATOR
2 by 2 Matrix Determinant Calculator
2 by 2 Matrix Determinant. Example: A: 1 number, B: 2 number, C: 3 number, D: 4 number gives -2 number. Exactly2by2 dimensionless real matrix, row order a,b;c,d; no larger matrix or alternate norm support. Only this original stated job is proposed, not full historical source coverage. Input domains and output unit must be visible.
Exactly2by2 dimensionless real matrix, row order a,b;c,d; no larger matrix or alternate norm support. Only this original stated job is proposed, not full historical source coverage. Input domains and output unit must be visible. Derivation: Oriented area of columns:ad-bc.
Accepted inputs: A: -10,000 to 10,000 number; B: -10,000 to 10,000 number; C: -10,000 to 10,000 number; D: -10,000 to 10,000 number.
How the calculation works
2 by 2 Matrix Determinant
Worked example
With a 1 number, b 2 number, c 3 number, d 4 number, 2 by 2 matrix determinant is -2 number.
Assumptions and limits
Exactly2by2 dimensionless real matrix, row order a,b;c,d; no larger matrix or alternate norm support. Only this original stated job is proposed, not full historical source coverage. Input domains and output unit must be visible. Derivation: Oriented area of columns:ad-bc.