Nikhil's Matrix Lab.

A + B A - B A × B Scalar × A A^T

det(A) A^-1 trace(A) rank(A) Minor (i,j) Cofactor Adjoint(A)

REF (A) RREF (A) Solve Ax = b Aⁿ A / B LU Decomp

Eigenvalues Eigenvectors Diagonalizable? Char. Polynomial

Symmetric? Skew-Sym? Orthogonal? Singular? Pos. Definite?