Chapter Introduction |
Module 5.1: nag_gen_lin_sys - General Systems of Linear Equations |
nag_gen_lin_sol | Solves a general real or complex system of linear equations with one or many right-hand sides |
nag_gen_lin_fac | Performs an LU factorization of a general real or complex matrix |
nag_gen_lin_sol_fac | Solves a general real or complex system of linear equations, with coefficient matrix previously factorized by nag_gen_lin_fac |
Examples
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Module 5.2: nag_sym_lin_sys - Symmetric Systems of Linear Equations |
nag_sym_lin_sol | Solves a real or complex, symmetric or Hermitian system of linear equations with one or many right-hand sides |
nag_sym_lin_fac | Performs a Cholesky or Bunch-Kaufman factorization of a real or complex, symmetric or Hermitian matrix |
nag_sym_lin_sol_fac | Solves a real or complex, symmetric or Hermitian system of linear equations, with coefficient matrix previously factorized by nag_sym_lin_fac |
Examples
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Module 5.3: nag_tri_lin_sys - Triangular Systems of Linear Equations |
nag_tri_lin_sol | Solves a real or complex triangular system of linear equations |
nag_tri_lin_cond | Estimates the condition number of a real or complex triangular matrix |
nag_tri_mat_det | Evaluates the determinant of a real or complex triangular matrix |
Examples
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Module 5.4: nag_gen_bnd_lin_sys - General Banded Systems of Linear Equations |
nag_gen_bnd_lin_sol | Solves a general real or complex banded system of linear equations, with one or many right-hand sides |
nag_gen_bnd_lin_fac | Performs an LU factorization of a general real or complex band matrix |
nag_gen_bnd_lin_sol_fac | Solves a general real or complex banded system of linear equations, with coefficient matrix previously factorized by nag_gen_bnd_lin_fac |
Examples
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Module 5.5: nag_sym_bnd_lin_sys - Symmetric Banded Systems of Linear Equations |
nag_sym_bnd_lin_sol | Solves a real symmetric or complex Hermitian positive definite banded system of linear equations, with one or many right-hand sides |
nag_sym_bnd_lin_fac | Performs a Cholesky factorization of a real symmetric or complex Hermitian positive definite band matrix |
nag_sym_bnd_lin_sol_fac | Solves a real symmetric or complex Hermitian positive definite banded system of linear equations, with coefficient matrix previously factorized by nag_sym_bnd_lin_fac |
Examples
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Module 5.6: nag_sparse_prec - Sparse Matrix Preconditioner Set-up and Solve |
nag_sparse_prec_init_jac | Initializes sparse Jacobi preconditioner |
nag_sparse_prec_init_ssor | Initializes sparse SSOR preconditioner |
nag_sparse_prec_init_ilu | Initializes sparse ILU preconditioner for real non-symmetric or complex non-Hermitian matrices |
nag_sparse_prec_sol | Sparse matrix preconditioned system solver |
Examples
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Module 5.7: nag_sparse_lin_sys - Sparse Linear System Iterative Solvers |
nag_sparse_gen_lin_sol | General sparse linear system solver |
Examples
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