| f08qfc | Reorder Schur factorization of real matrix using orthogonal similarity transformation |
| f08qgc | Reorder Schur factorization of real matrix, form orthonormal basis of right invariant subspace for selected eigenvalues, with estimates of sensitivities |
| f08qtc | Reorder Schur factorization of complex matrix using unitary similarity transformation |
| f08quc | Reorder Schur factorization of complex matrix, form orthonormal basis of right invariant subspace for selected eigenvalues, with estimates of sensitivities |
| g10zac | Reorder data to give ordered distinct observations |