'Hermitian adjoint.
Returns the Hermitian adjoint of self, aka the Hermitian
conjugate or Hermitian transpose. For a complex matrix, the
Hermitian adjoint is equal to the conjugate transpose.
Can be abbreviated self.H instead of self.adjoint().
Returns
A_H : LinearOperator
Hermitian adjoint of self.'

def adjoint(self):

    return self._adjoint()
