6.26 F12 Large Scale Eigenproblems

f12 - Large Scale Eigenproblems

Routine Name Mark of Introduction Purpose
f12aac 8 nag_real_sparse_eigensystem_init
Initialization routine for ( nag_real_sparse_eigensystem_iter (f12abc)) computing selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric sparse (standard or generalized) eigenproblem
f12abc 8 nag_real_sparse_eigensystem_iter
Implements a reverse communication interface for the Implicitly Restarted Arnoldi iteration for computing selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric sparse (standard or generalized) eigenproblem
f12acc 8 nag_real_sparse_eigensystem_sol
Returns the converged approximations (as determined by nag_real_sparse_eigensystem_iter (f12abc)) to eigenvalues of a real nonsymmetric sparse (standard or generalized) eigenproblem and, optionally, the corresponding approximate eigenvectors and/or an orthonormal basis for the associated approximate invariant subspace
Set a single option from a string (nag_real_sparse_eigensystem_iter(f12abc)/ nag_real_sparse_eigensystem_sol(f12acc)/ nag_real_banded_sparse_eigensystem_sol (f12agc))
f12aec 8 nag_real_sparse_eigensystem_monit
Provides monitoring information for nag_real_sparse_eigensystem_iter(f12abc)
f12afc 8 nag_real_banded_sparse_eigensystem_init
Initialization routine for (nag_real_banded_sparse_eigensystem_sol (f12agc)) computing selected eigenvalues and, optionally, eigenvectors of a real nonsymmetric banded (standard or generalized) eigenproblem
f12agc 8 nag_real_banded_sparse_eigensystem_sol
Computes approximations to selected eigenvalues of a real nonsymmetric banded (standard or generalized) eigenproblem and, optionally, the corresponding approximate eigenvectors and/or an orthonormal basis for the associated approximate invariant subspace
f12anc 8 nag_complex_sparse_eigensystem_init
Initialization routine for (nag_complex_sparse_eigensystem_iter (f12apc)) computing selected eigenvalues and, optionally, eigenvectors of a complex sparse (standard or generalized) eigenproblem
f12apc 8 nag_complex_sparse_eigensystem_iter
Implements a reverse communication interface for the Implicitly Restarted Arnoldi iteration for computing selected eigenvalues and, optionally, eigenvectors of a complex sparse (standard or generalized) eigenproblem
f12aqc 8 nag_complex_sparse_eigensystem_sol
Returns the converged approximations (as determined by nag_complex_sparse_eigensystem_iter (f12apc)) to eigenvalues of a complex sparse (standard or generalized) eigenproblem and, optionally, the corresponding approximate eigenvectors and/or an orthonormal basis for the associated approximate invariant subspace
f12arc 8 nag_complex_sparse_eigensystem_option
Set a single option from a string (nag_complex_sparse_eigensystem_iter (f12apc)/ nag_complex_sparse_eigensystem_sol(f12aqc))
f12asc 8 nag_complex_sparse_eigensystem_monit
Provides monitoring information for nag_complex_sparse_eigensystem_iter (f12apc)
f12atc 24 nag_complex_banded_eigensystem_init
Initialization function for nag_complex_banded_eigensystem_solve (f12auc) computing selected eigenvalues and, optionally, eigenvectors of a complex banded (standard or generalized) eigenproblem.
f12auc 24 nag_complex_banded_eigensystem_solve
Selected eigenvalues and, optionally, eigenvectors of complex non-Hermitian banded eigenproblem, driver
f12fac 8 nag_real_symm_sparse_eigensystem_init
Initialization routine for (nag_real_symm_sparse_eigensystem_iter (f12fbc)) computing selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse (standard or generalized) eigenproblem
f12fbc 8 nag_real_symm_sparse_eigensystem_iter
Implements a reverse communication interface for the Implicitly Restarted Arnoldi iteration for computing selected eigenvalues and, optionally, eigenvectors of a real symmetric sparse (standard or generalized) eigenproblem
f12fcc 8 nag_real_symm_sparse_eigensystem_sol
Returns the converged approximations (as determined by nag_real_symm_sparse_eigensystem_iter (f12fbc)) to eigenvalues of a real symmetric sparse (standard or generalized) eigenproblem and, optionally, the corresponding approximate eigenvectors and/or an orthonormal basis for the associated approximate invariant subspace
f12fdc 8 nag_real_symm_sparse_eigensystem_option
Set a single option from a string (nag_real_symm_sparse_eigensystem_iter (f12fbc) / nag_real_symm_sparse_eigensystem_sol(f12fcc) / nag_real_symm_banded_sparse_eigensystem_sol (f12fgc))
f12fec 8 nag_real_symm_sparse_eigensystem_monit
Provides monitoring information for nag_real_symm_sparse_eigensystem_iter (f12fbc)
f12ffc 8 nag_real_symm_banded_sparse_eigensystem_init
Initialization routine for ( nag_real_symm_banded_sparse_eigensystem_sol (f12fgc)) computing selected eigenvalues and, optionally, eigenvectors of a real symmetric banded (standard or generalized) eigenproblem
f12fgc 8 nag_real_symm_banded_sparse_eigensystem_sol
Computes approximations to selected eigenvalues of a real symmetric banded (standard or generalized) eigenproblem and, optionally, the corresponding approximate eigenvectors and/or an orthonormal basis for the associated approximate