Matrix Inverse

Calculate Matrix Inverse instantly with the exact formula and a worked example.

Matrix Inverse

a11
a12
a13
a21
a22
a23
a31
a32
a33
Determinant det A
24
Calculate Matrix Inverse instantly with the exact formula and a worked example.
1 / det A
0.041667
Row 1 of A⁻¹
[0.4167, 0.1667, -0.0833]
Row 2 of A⁻¹
[-0.1667, 0.3333, -0.1667]
Row 3 of A⁻¹
[0.0417, -0.0833, 0.2917]

More about: Matrix Inverse

What it calculates

The “Matrix Inverse” calculator computes Determinant det A from 9 parameters: a11, a12, a13, a21, a22, a23, a31, a32, a33.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters a11 = 2, a12 = -1, a13 = 0, a21 = 1, a22 = 3, a23 = 2, a31 = 0, a32 = 1, a33 = 4 the result is 24.

How to use

  1. Enter a11, a12, a13, a21, a22, a23, a31, a32 and a33 — each field above is adjustable with a slider.
  2. Determinant det A is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Matrix Inverse calculated?
The Matrix Inverse calculator computes Determinant det A from a11, a12, a13, a21, a22, a23, a31, a32, a33. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Matrix Inverse calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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