Matrix determinant calculator
This matrix determinant calculator help you to find the determinant of a matrix.
Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find the determinant of a matrix.
Find Matrix determinant
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You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.
Additional features of the matrix determinant calculator
- Use , , and keys on keyboard to move between field in calculator.
Theory. Determinant of a matrix
Determinant of 2×2 matrix
|= a11·a22 - a12·a21|
Triangle's rule for determinant of 3×3 matrix
= a11·a22·a33 + a12·a23·a31 + a13·a21·a32 - a13·a22·a31 - a11·a23·a32 - a12·a21·a33
Determinant of n×n matrixTo calculate the determinant of n×n size are often used:
You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.
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