Cofactor Matrix Calculator
Result
Cofactor Matrix Calculator (2×2) The Cofactor Matrix Calculator finds the matrix of cofactors of a 2×2 matrix, the first step toward the adjugate and inverse. Enter the four matrix entries. — free online calculator.
Formula
- Cofactor Matrix Calculator calculates its result from a11, a12, a21, a22. It uses the formula 2×2 matrix operation using the entered coefficients.. Change any input to recalculate the result instantly.
- The main inputs are a11, a12, a21, a22. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Cofactor Matrix
- a11: 4
- a12: 1
- a21: 2
- a22: 3
Using a11 = 1, a12 = 2, a21 = 3, a22 = 4, the calculated result is [4, -3, -2, 1].
Sample result: Calculating…
Frequently asked questions
What does the Cofactor Matrix calculate?
Cofactor Matrix Calculator (2×2) The Cofactor Matrix Calculator finds the matrix of cofactors of a 2×2 matrix, the first step toward the adjugate and inverse. Enter the four matrix entries. — free online calculator.
Which values should I enter?
Enter a11, a12, a21, a22 using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: 2×2 matrix operation using the entered coefficients..
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.