Class D4c3: Form matrix eigenvectors from eigenvalues
Modules
Package CLAPACK (Downloadable)
- CHSEIN.C
- Computes specified right and/or left eigenvectors of an upper Hessenberg matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- CSTEIN.C
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- CTREVC.C
- Computes left and right eigenvectors of a complex upper triangular matrix. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- DHSEIN.C
- Computes specified right and/or left eigenvectors of a real upper Hessenberg matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- DSTEIN.C
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- DTREVC.C
- Computes left and right eigenvectors of a real upper quasi-triangular matrix. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- SHSEIN.C
- Computes specified right and/or left eigenvectors of a real upper Hessenberg matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- SSTEIN.C
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- STREVC.C
- Computes left and right eigenvectors of a real upper quasi-triangular matrix. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- ZHSEIN.C
- Computes specified right and/or left eigenvectors of an upper Hessenberg matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- ZSTEIN.C
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
- ZTREVC.C
- Computes left and right eigenvectors of a complex upper triangular matrix. (Computational routine.). [C version of LAPACK routine, converted from Fortran by f2c.].
Package CMLIB (Downloadable; Installed on ITL, ARNO)
- BANDV
- Forms eigenvectors of real symmetric band matrix associated with a set of ordered approximate eigenvalues by inverse iteration.
- QZVEC
- The optional fourth step of the QZ algorithm for generalized eigenproblems. Accepts a matrix in quasi-triangular form and another in upper triangular form and computes the eigenvectors of the triangular problem and transforms them back to the original coordinates. Usually preceded by QZHES, QZIT, QZVAL.
- TINVIT
- Eigenvectors of symmetric tridiagonal matrix corresponding to some specified eigenvalues, using inverse iteration.
Package EISPACK (Downloadable; Installed on ARNO)
- BANDV
- Forms eigenvectors of real symmetric band matrix associated with a set of ordered approximate eigenvalues by inverse iteration.
- QZVEC
- The optional fourth step of the QZ algorithm for generalized eigenproblems. Accepts a matrix in quasi-triangular form and another in upper triangular form and computes the eigenvectors of the triangular problem and transforms them back to the original coordinates. Usually preceded by QZHES, QZIT, QZVAL.
- TINVIT
- Eigenvectors of symmetric tridiagonal matrix corresponding to some specified eigenvalues, using inverse iteration.
Package LAPACK (Downloadable; Installed on ITL, ARNO)
- CHSEIN
- Computes specified right and/or left eigenvectors of an upper Hessenberg matrix by inverse iteration. (Computational routine.).
- CSTEIN
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.).
- CTREVC
- Computes left and right eigenvectors of a complex upper triangular matrix. (Computational routine.).
- DHSEIN
- Computes specified right and/or left eigenvectors of a real upper Hessenberg matrix by inverse iteration. (Computational routine.).
- DSTEIN
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.).
- DTREVC
- Computes left and right eigenvectors of a real upper quasi-triangular matrix. (Computational routine.).
- SHSEIN
- Computes specified right and/or left eigenvectors of a real upper Hessenberg matrix by inverse iteration. (Computational routine.).
- SSTEIN
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.).
- STREVC
- Computes left and right eigenvectors of a real upper quasi-triangular matrix. (Computational routine.).
- ZHSEIN
- Computes specified right and/or left eigenvectors of an upper Hessenberg matrix by inverse iteration. (Computational routine.).
- ZSTEIN
- Computes selected eigenvectors of a real symmetric tridiagonal matrix by inverse iteration. (Computational routine.).
- ZTREVC
- Computes left and right eigenvectors of a complex upper triangular matrix. (Computational routine.).
Package NAG
- F08JKF
- Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in real array
- F08JXF
- Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in complex array
- F08PKF
- Selected right and/or left eigenvectors of real upper Hessenberg matrix by inverse iteration
- F08PXF
- Selected right and/or left eigenvectors of complex upper Hessenberg matrix by inverse iteration
- F08QKF
- Left and right eigenvectors of real upper quasi-triangular matrix
- F08QXF
- Left and right eigenvectors of complex upper triangular matrix
- f08jkc
- Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in real array
- f08jxc
- Selected eigenvectors of real symmetric tridiagonal matrix by inverse iteration, storing eigenvectors in complex array
- f08pkc
- Selected right and/or left eigenvectors of real upper Hessenberg matrix by inverse iteration
- f08pxc
- Selected right and/or left eigenvectors of complex upper Hessenberg matrix by inverse iteration
- f08qkc
- Left and right eigenvectors of real upper quasi-triangular matrix
- f08qxc
- Left and right eigenvectors of complex upper triangular matrix
Package NAPACK (Downloadable)
- CEVECT
- Computes an eigenvector corresponding to a given eigenvalue for a complex Hessenberg matrix.
- CVECT
- Computes an eigenvector corresponding to a given eigenvalue for a complex matrix. NAPACK subroutine CHESS, CAHESS or CVALS must be run prior to this routine.
- EVECT
- Computes an eigenvector corresponding to a given eigenvalue for an upper Hessenberg matrix.
- HVECT
- Computes an eigenvector corresponding to a given eigenvalue for a symmetric band matrix.
- PVECT
- Computes an eigenvector corresponding to a given eigenvalue for a symmetric tridiagonal matrix.
- SVECT
- Computes an eigenvector corresponding to a given eigenvalue for a symmetric tridiagonal matrix. NAPACK subroutine SHESS must be run prior to this routine.
- TVECT
- Computes an eigenvector corresponding to a given eigenvalue for a tridiagonal matrix.
- VECT
- Computes an eigenvector corresponding to a given eigenvalue for a matrix. NAPACK subroutine HESS, AHESS or VALS must be run prior to this routine.
Package SEISPACK (Downloadable; Installed on ARNO)
- BANDV
- Forms eigenvectors of real symmetric band matrix associated with a set of ordered approximate eigenvalues by inverse iteration.
- QZVEC
- The optional fourth step of the QZ algorithm for generalized eigenproblems. Accepts a matrix in quasi-triangular form and another in upper triangular form and computes the eigenvectors of the triangular problem and transforms them back to the original coordinates. Usually preceded by QZHES, QZIT, QZVAL.
- TINVIT
- Eigenvectors of symmetric tridiagonal matrix corresponding to some specified eigenvalues, using inverse iteration.
Package SLATEC (Downloadable; Installed on ITL, ARNO)
- BANDV
- Form the eigenvectors of a real symmetric band matrix associated with a set of ordered approximate eigenvalues by inverse iteration.
- QZVEC
- The optional fourth step of the QZ algorithm for generalized eigenproblems. Accepts a matrix in quasi-triangular form and another in upper triangular and computes the eigenvectors of the triangular problem and transforms them back to the original coordinates Usually preceded by QZHES, QZIT, and QZVAL.
- TINVIT
- Compute the eigenvectors of symmetric tridiagonal matrix corresponding to specified eigenvalues, using inverse iteration.