Adjoint Matrix Calculator

Compute the adjoint matrix for 2x2 or 3x3 matrices. The adjoint is the transpose of the cofactor matrix.

Enter Values

Matrix Size

a11

a12

a13 (3x3)

a21

a22

a23 (3x3)

a31 (3x3)

a32 (3x3)

a33 (3x3)

Enter values above and click Calculate to see your result.

AI Assistant

Ask about this calculator

I can help you understand the adjoint matrix calculator formula, interpret your results, and answer follow-up questions.

Try asking

adj(A) = (Cofactor(A))^T

Compute cofactors with the alternating sign pattern, then transpose the cofactor matrix to get the adjoint.

Select size 2 and enter a 2x2 matrix. The calculator returns the adjoint matrix.

Adjoint is used in the inverse formula A^{-1} = adj(A) / det(A) when the determinant is nonzero.

No. Adjoint here means adjugate, not conjugate transpose.

AI Assistant

Ask about this calculator

I can help you understand the adjoint matrix calculator formula, interpret your results, and answer follow-up questions.

Try asking

Plot 2D functions and algebraic equations.

Graph and shade mathematical inequalities.

Visualize and calculate function transformations.

Convert quadratics to vertex form step by step.

Accurate and Reliable

All calculations run locally. Solve equations with confidence using AI-verified methods.