NAG Toolbox |

- F04 Introduction
- f04ab – Solution of real symmetric positive definite simultaneous linear equations with multiple right-hand sides using iterative refinement (Black Box)
- nag_linsys_real_posdef_solve_ref
- f04ae – Solution of real simultaneous linear equations with multiple right-hand sides using iterative refinement (Black Box)
- nag_linsys_real_square_solve_ref
- f04am – Least squares solution of m real equations in n unknowns, rank =n, m≥n using iterative refinement (Black Box)
- nag_linsys_real_gen_lsqsol
- f04as – Solution of real symmetric positive definite simultaneous linear equations, one right-hand side using iterative refinement (Black Box)
- nag_linsys_real_posdef_solve_1rhs
- f04at – Solution of real simultaneous linear equations, one right-hand side using iterative refinement (Black Box)
- nag_linsys_real_square_solve_1rhs
- f04ax – Solution of real sparse simultaneous linear equations (coefficient matrix already factorized)
- nag_linsys_real_sparse_fac_solve
- f04ba – Computes the solution, estimated condition number and error-bound to a real system of linear equations
- nag_linsys_real_square_solve
- f04bb – Computes the solution, estimated condition number and error-bound to a real banded system of linear equations
- nag_linsys_real_band_solve
- f04bc – Computes the solution, estimated condition number and error-bound to a real tridiagonal system of linear equations
- nag_linsys_real_tridiag_solve
- f04bd – Computes the solution, estimated condition number and error-bound to a real symmetric positive definite system of linear equations
- nag_linsys_real_posdef_solve
- f04be – Computes the solution, estimated condition number and error-bound to a real symmetric positive definite system of linear equations, packed storage
- nag_linsys_real_posdef_packed_solve
- f04bf – Computes the solution, estimated condition number and error-bound to a real symmetric positive definite banded system of linear equations
- nag_linsys_real_posdef_band_solve
- f04bg – Computes the solution, estimated condition number and error-bound to a real symmetric positive definite tridiagonal system of linear equations
- nag_linsys_real_posdef_tridiag_solve
- f04bh – Computes the solution, estimated condition number and error-bound to a real symmetric system of linear equations
- nag_linsys_real_symm_solve
- f04bj – Computes the solution, estimated condition number and error-bound to a real symmetric system of linear equations, packed storage
- nag_linsys_real_symm_packed_solve
- f04ca – Computes the solution, estimated condition number and error-bound to a complex system of linear equations
- nag_linsys_complex_square_solve
- f04cb – Computes the solution, estimated condition number and error-bound to a complex banded system of linear equations
- nag_linsys_complex_band_solve
- f04cc – Computes the solution, estimated condition number and error-bound to a complex tridiagonal system of linear equations
- nag_linsys_complex_tridiag_solve
- f04cd – Computes the solution, estimated condition number and error-bound to a complex Hermitian positive definite system of linear equations
- nag_linsys_complex_posdef_solve
- f04ce – Computes the solution, estimated condition number and error-bound to a complex Hermitian positive definite system of linear equations, packed storage
- nag_linsys_complex_posdef_packed_solve
- f04cf – Computes the solution, estimated condition number and error-bound to a complex Hermitian positive definite banded system of linear equations
- nag_linsys_complex_posdef_band_solve
- f04cg – Computes the solution, estimated condition number and error-bound to a complex Hermitian positive definite tridiagonal system of linear equations
- nag_linsys_complex_posdef_tridiag_solve
- f04ch – Computes the solution and error-bound to a complex Hermitian system of linear equations
- nag_linsys_complex_herm_solve
- f04cj – Computes the solution, estimated condition number and error-bound to a complex Hermitian system of linear equations, packed storage
- nag_linsys_complex_herm_packed_solve
- f04dh – Computes the solution, estimated condition number and error-bound to a complex symmetric system of linear equations
- nag_linsys_complex_symm_solve
- f04dj – Computes the solution, estimated condition number and error-bound to a complex symmetric system of linear equations, packed storage
- nag_linsys_complex_symm_packed_solve
- f04fe – Solution of the Yule–Walker equations for real symmetric positive definite Toeplitz matrix, one right-hand side
- nag_linsys_real_toeplitz_yule
- f04ff – Solution of real symmetric positive definite Toeplitz system, one right-hand side
- nag_linsys_real_toeplitz_solve
- f04jg – Least squares (if rank =n) or minimal least squares (if rank <n) solution of m real equations in n unknowns, m≥n
- nag_linsys_real_gen_solve
- f04le – Solution of real tridiagonal simultaneous linear equations (coefficient matrix already factorized by f01le)
- nag_linsys_real_tridiag_fac_solve
- f04lh – Solution of real almost block diagonal simultaneous linear equations (coefficient matrix already factorized by f01lh)
- nag_linsys_real_blkdiag_fac_solve
- f04mc – Solution of real symmetric positive definite variable-bandwidth simultaneous linear equations (coefficient matrix already factorized by f01mc)
- nag_linsys_real_posdef_vband_solve
- f04me – Update solution of the Yule–Walker equations for real symmetric positive definite Toeplitz matrix
- nag_linsys_real_toeplitz_yule_update
- f04mf – Update solution of real symmetric positive definite Toeplitz system
- nag_linsys_real_toeplitz_update
- f04qa – Sparse linear least squares problem, m real equations in n unknowns
- nag_linsys_real_gen_sparse_lsqsol
- f04ya – Covariance matrix for linear least squares problems, m real equations in n unknowns
- nag_linsys_real_gen_lsq_covmat
- f04yd – Norm estimation (for use in condition estimation), real rectangular matrix
- nag_linsys_real_gen_norm_rcomm
- f04zd – Norm estimation (for use in condition estimation), complex rectangular matrix
- nag_linsys_complex_gen_norm_rcomm
**Functions scheduled for withdrawal**- f04yc – Norm estimation (for use in condition estimation), real matrix
- nag_linsys_real_norm_rcomm
- f04zc – Norm estimation (for use in condition estimation), complex matrix
- nag_linsys_complex_norm_rcomm

F03 |
F05 |