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 27 nagad_sparse_real_gen_basic_setup
Real sparse nonsymmetric linear systems, setup for f11be
f11be 27 nagad_sparse_real_gen_basic_solver
Real sparse nonsymmetric linear systems, preconditioned RGMRES, CGS, Bi-CGSTAB or TFQMR method
f11bf 27.1 nagad_sparse_real_gen_basic_diag
Real sparse nonsymmetric linear systems, diagnostic for f11be
f11da 27.1 nagad_sparse_real_gen_precon_ilu
Real sparse nonsymmetric linear systems, incomplete LU factorization
f11db 27.1 nagad_sparse_real_gen_precon_ilu_solve
Solution of linear system involving incomplete LU preconditioning matrix generated by f11da
f11ja 27.1 nagad_sparse_real_symm_precon_ichol
Real sparse symmetric matrix, incomplete Cholesky factorization
f11jb 27.1 nagad_sparse_real_symm_precon_ichol_solve
Solution of linear system involving incomplete Cholesky preconditioning matrix generated by f11ja
f11jc 27.1 nagad_sparse_real_symm_solve_ichol
Solution of real sparse symmetric linear system, conjugate gradient/Lanczos method, preconditioner computed by f11ja (Black Box)
f11xe 27.1 nagad_sparse_real_symm_matvec
Real sparse symmetric matrix-vector multiply
f11za 27.1 nagad_sparse_real_gen_sort
Real sparse nonsymmetric matrix reorder routine
f11zb 27.1 nagad_sparse_real_symm_sort
Real sparse symmetric matrix reorder routine