Linear Solvers
Gmres
Un-preconditioned GMRES.
Gmres(tol=1e-14, max_iters=50)
The arguments are described below
tol
The tolerance for convergence of the linear system
Type:
float
Default: 1e-2
max_iters
The maximum number of iterations to solve the linear system
Type:
int
Default: 50
FGmres
Flexible GMRES.
FGmres(
tolerance=1e-14,
max_iters=50,
max_preconditioner_iters=5,
preconditioner_tolerance=1e-1
)
The arguments are described below
tolerance
The tolerance for convergence of the linear system
Type:
float
Default: 1e-2
max_iters
The maximum number of iterations to solve the linear system
Type:
int
Default: 50
max_preconditioner_iters
The maximum number of iterations for preconditioning
Type:
int
Default: 5
preconditioner_tolerance
The tolerance for converging the preconditioner system
Type:
float
Default: 1e-1