D4c: Associated operations


F08QFF   Reorder Schur factorization of real matrix using orthogonal similarity transformation
F08QGF   Reorder Schur factorization of real matrix, form orthonormal basis of right invariant subspace for selected eigenvalues, with estimates of sensitivities
F08QLF   Estimates of sensitivities of selected eigenvalues and eigenvectors of real upper quasi-triangular matrix
F08QTF   Reorder Schur factorization of complex matrix using unitary similarity transformation
F08QUF   Reorder Schur factorization of complex matrix, form orthonormal basis of right invariant subspace for selected eigenvalues, with estimates of sensitivities
F08QYF   Estimates of sensitivities of selected eigenvalues and eigenvectors of complex upper triangular matrix

D4c1:   Transform problem  (25 routines)
D4c1a:   Balance matrix  (2 routines)
D4c1b:   Reduce to compact form  (16 routines)
D4c1b1:   Tridiagonal  (10 routines)
D4c1b2:   Hessenberg  (4 routines)
D4c1b3:   Other  (2 routines)
D4c1c:   Standardize problem  (7 routines)
D4c2:   Compute eigenvalues of matrix in compact form  (13 routines)
D4c3:   Form eigenvectors from eigenvalues  (6 routines)
D4c4:   Back transform eigenvectors  (8 routines)
D4c5:   Determine Jordan normal form  (0 routines)

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© The Numerical Algorithms Group Ltd, Oxford UK. 2001