# Adjoint

### From Glossary

The *classical adjoint* of a matrix is the transpose
of the matrix of cofactors

where is the determinant of the submatrix
of formed by removing the i-th row and the j-th
column. The *Hermitian adjoint* (*conjugate transpose*
or *Hermitian transpose*), , is the
transpose of the conjugate. We have that
if is real-valued.