Matrix Equation Solver (AX = B)

Solve the matrix equation AX = B by computing X = A^-1 * B.

How It Works

Enter square matrix A and constant matrix B. If A is invertible, the solution X is computed as A^-1 * B. Works for 2x2 and 3x3 systems.

Formula

X = A^-1 * B

Frequently Asked Questions

When does AX = B have a solution?

The equation AX = B has a unique solution X = A^-1 * B whenever A is invertible (det(A) != 0).

What if B is a vector?

Enter B as a single column — a semicolon-separated list with one number per row (e.g. 3;7 for a 2x1 vector).