F02 (eigen) Chapter Introduction – a description of the Chapter and an overview of the algorithms available
| Routine Name |
Mark of Introduction |
Purpose |
| f02ecf
Example Text Example Data |
17 | nagf_eigen_real_gen_eigsys Selected eigenvalues and eigenvectors of real nonsymmetric matrix (Black Box) |
| f02ekf
Example Text Example Data |
24 | nagf_eigen_real_gen_sparse_arnoldi Selected eigenvalues and eigenvectors of a real sparse general matrix |
| f02fjf
Example Text Example Data |
11 | nagf_eigen_real_symm_sparse_eigsys Selected eigenvalues and eigenvectors of sparse symmetric eigenproblem (Black Box) |
| f02fkf
Example Text Example Data |
25 | nagf_eigen_real_symm_sparse_arnoldi Selected eigenvalues and eigenvectors of a real symmetric sparse matrix |
| f02gcf
Example Text Example Data |
17 | nagf_eigen_complex_gen_eigsys Selected eigenvalues and eigenvectors of complex nonsymmetric matrix (Black Box) |
| f02jcf
Example Text Example Data |
25 | nagf_eigen_real_gen_quad Solves the quadratic eigenvalue problem for real matrices |
| f02jqf
Example Text Example Data |
25 | nagf_eigen_complex_gen_quad Solves the quadratic eigenvalue problem for complex matrices |
| f02sdf
Example Text Example Data |
8 | nagf_eigen_withdraw_real_band_geneig Eigenvector of generalized real banded eigenproblem by inverse iteration Note: this routine is scheduled for withdrawal at Mark 27, see Advice on Replacement Calls for Withdrawn/Superseded Routines for further information. |
| f02wdf
Example Text Example Data |
8 | nagf_eigen_withdraw_real_gen_qu_svd Returns the Householder factorization of a real rectangular by matrix. Part or all of the singular value decomposition may also be returned Note: this routine is scheduled for withdrawal at Mark 27, see Advice on Replacement Calls for Withdrawn/Superseded Routines for further information. |
| f02wgf
Example Text Example Data |
22 | nagf_eigen_real_gen_partialsvd Computes leading terms in the singular value decomposition of a real general matrix; also computes corresponding left and right singular vectors |
| f02wuf
Example Text Example Data |
14 | nagf_eigen_real_triang_svd SVD of real upper triangular matrix (Black Box) |
| f02xuf
Example Text Example Data |
13 | nagf_eigen_complex_triang_svd SVD of complex upper triangular matrix (Black Box) |