black_box_newton_solver.cc File Reference

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Namespaces
namespace	oomph
	DRAIG: Change all instances of (SPATIAL_DIM) to (DIM-1).
namespace	oomph::BlackBoxFDNewtonSolver
	Namespace for black-box FD Newton solver.

Functions
void	oomph::BlackBoxFDNewtonSolver::black_box_fd_newton_solve (ResidualFctPt residual_fct, const Vector< double > &params, Vector< double > &unknowns, JacobianFctPt jacobian_fct)
	Black-box FD Newton solver: Calling sequence for residual function is.
void	oomph::BlackBoxFDNewtonSolver::line_search (const Vector< double > &x_old, const double half_residual_squared_old, const Vector< double > &gradient, ResidualFctPt residual_fct, const Vector< double > &params, Vector< double > &newton_dir, Vector< double > &x, double &half_residual_squared, const double &stpmax)
	Line search helper for globally convergent Newton method.

Variables
unsigned	oomph::BlackBoxFDNewtonSolver::Max_iter = 20
	Max. # of Newton iterations.
unsigned	oomph::BlackBoxFDNewtonSolver::N_iter_taken = 0
	Number of Newton iterations taken in most recent invocation.
bool	oomph::BlackBoxFDNewtonSolver::Doc_Progress = false
	Flag to indicate if progress of Newton iteration is to be documented (defaults to false)
double	oomph::BlackBoxFDNewtonSolver::FD_step = 1.0e-8
	FD step.
double	oomph::BlackBoxFDNewtonSolver::Tol = 1.0e-8
	Tolerance.
bool	oomph::BlackBoxFDNewtonSolver::Use_step_length_control = false
	Use steplength control do make globally convergent (default false)