conjugate_gradient.cpp File Reference

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Functions
static void	matrix_times_vector (valarray< double > const &matrix, valarray< double > const &vec, valarray< double > &result)
double	inner (valarray< double > const &x, valarray< double > const &y)
double	compute_cost (valarray< double > const &A, valarray< double > const &b, valarray< double > const &x, const unsigned n)
void	conjugate_gradient (valarray< double > const &A, valarray< double > &x, valarray< double > const &b, unsigned const n, double const tol, unsigned const max_iterations)

Function Documentation

compute_cost()

double compute_cost	(	valarray< double > const &	A,
		valarray< double > const &	b,
		valarray< double > const &	x,
		const unsigned	n
	)

Definition at line 81 of file conjugate_gradient.cpp.

References inner().

Referenced by conjugate_gradient().

conjugate_gradient()

void conjugate_gradient	(	valarray< double > const &	A,
		valarray< double > &	x,
		valarray< double > const &	b,
		unsigned const	n,
		double const	tol,
		unsigned const	max_iterations
	)

Definition at line 97 of file conjugate_gradient.cpp.

References compute_cost(), inner(), and matrix_times_vector().

Referenced by main(), and cola::ConstrainedMajorizationLayout::majorize().

inner()

double inner	(	valarray< double > const &	x,
		valarray< double > const &	y
	)

Definition at line 73 of file conjugate_gradient.cpp.

Referenced by Avoid::PtOrder::addOrderedPoints(), Geom::Circle::arc(), Geom::Ellipse::arc(), Inkscape::UI::Dialog::DocumentProperties::build_guides(), compute_cost(), conjugate_gradient(), Geom::BezierCurveN< degree >::derivative(), Geom::BezierCurveN< degree >::derivative(), fix_font_size(), fix_line_spacing(), Geom::BezierCurveN< degree >::isDegenerate(), Geom::make_elliptical_arc(), Inkscape::UI::Dialog::InkscapePreferences::recursive_filter(), Inkscape::ObjectSet::setClipGroup(), TEST(), and Geom::BezierCurveN< degree >::winding().

matrix_times_vector()

static void matrix_times_vector ( valarray< double > const &  matrix, valarray< double > const &  vec, valarray< double > &  result  )

static

Definition at line 40 of file conjugate_gradient.cpp.

References result.

Referenced by conjugate_gradient().