Vectors and matrices
Inverse matrix
A matrix that reverses an invertible square matrix under multiplication.
Common notation AA⁻¹=I
In one sentence
What does Inverse matrix mean?
A matrix that reverses an invertible square matrix under multiplication.
How it is written
AA⁻¹=I
A compact example
A 2×2 matrix is invertible exactly when its determinant is non-zero.
Other names and search terms
matrix inverse.
Clear answers
Questions about Inverse matrix
What does Inverse matrix mean in mathematics?
A matrix that reverses an invertible square matrix under multiplication.
How is Inverse matrix written?
A common notation is AA⁻¹=I.
What is an example of Inverse matrix?
A 2×2 matrix is invertible exactly when its determinant is non-zero.