| f08nec | nag_dgehrd Orthogonal reduction of real general matrix to upper Hessenberg form |
| f08nfc | nag_dorghr Generate orthogonal transformation matrix from reduction to Hessenberg form determined by f08nec |
| f08nsc | nag_zgehrd Unitary reduction of complex general matrix to upper Hessenberg form |
| f08ntc | nag_zunghr Generate unitary transformation matrix from reduction to Hessenberg form determined by f08nsc |