NAG AD Library
F11 (Sparse)
Large Scale Linear Systems

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F11 (Sparse) Chapter Introduction (FL Interface) – A description of the Chapter and an overview of the algorithms available.

Routine
Mark of
Introduction

Purpose
f11bd_a1w_f 27 nagf_sparse_real_gen_basic_setup_a1w
Real sparse nonsymmetric linear systems, setup for f11be_a1w_f
f11be_a1w_f 27 nagf_sparse_real_gen_basic_solver_a1w
Real sparse nonsymmetric linear systems, preconditioned RGMRES, CGS, Bi-CGSTAB or TFQMR method
f11bf_a1w_f 27.1 nagf_sparse_real_gen_basic_diag_a1w
Real sparse nonsymmetric linear systems, diagnostic for f11be_a1w_f
f11da_a1w_f 27.1 nagf_sparse_real_gen_precon_ilu_a1w
Real sparse nonsymmetric linear systems, incomplete LU factorization
f11db_a1w_f 27.1 nagf_sparse_real_gen_precon_ilu_solve_a1w
Solution of linear system involving incomplete LU preconditioning matrix generated by f11da_a1w_f
f11ja_a1w_f 27.1 nagf_sparse_real_symm_precon_ichol_a1w
Real sparse symmetric matrix, incomplete Cholesky factorization
f11jb_a1w_f 27.1 nagf_sparse_real_symm_precon_ichol_solve_a1w
Solution of linear system involving incomplete Cholesky preconditioning matrix generated by f11ja_a1w_f
f11jc_a1w_f 27.1 nagf_sparse_real_symm_solve_ichol_a1w
Solution of real sparse symmetric linear system, conjugate gradient/Lanczos method, preconditioner computed by f11ja_a1w_f (Black Box)
f11xe_a1w_f 27.1 nagf_sparse_real_symm_matvec_a1w
Real sparse symmetric matrix-vector multiply
f11zb_a1w_f 27.1 nagf_sparse_real_symm_sort_a1w
Real sparse symmetric matrix reorder routine