Solver Class Reference

Inheritance diagram for Solver:

[legend]

List of all members.

---

Detailed Description

Definition at line 271 of file SVM_libsvm.cpp.

Public Member Functions
	Solver ()
virtual	~Solver ()
void	Solve (int l, const QMatrix &Q, const double *p_, const schar *y_, double *alpha_, double Cp, double Cn, double eps, SolutionInfo *si, int shrinking)
Protected Types
enum	{ LOWER_BOUND, UPPER_BOUND, FREE }
Protected Member Functions
double	get_C (int i)
void	update_alpha_status (int i)
bool	is_upper_bound (int i)
bool	is_lower_bound (int i)
bool	is_free (int i)
void	swap_index (int i, int j)
void	reconstruct_gradient ()
virtual int	select_working_set (int &i, int &j, double &gap)
virtual double	calculate_rho ()
virtual void	do_shrinking ()
Protected Attributes
int	active_size
schar *	y
double *	G
char *	alpha_status
double *	alpha
const QMatrix *	Q
const Qfloat *	QD
double	eps
double	Cp
double	Cn
double *	p
int *	active_set
double *	G_bar
int	l
bool	unshrinked
Classes
struct	SolutionInfo

---

Member Enumeration Documentation

anonymous enum [protected]

Enumerator:

LOWER_BOUND
UPPER_BOUND
FREE

Definition at line 291 of file SVM_libsvm.cpp.

---

Constructor & Destructor Documentation

Solver::Solver

(

)

Definition at line 273 of file SVM_libsvm.cpp.

virtual Solver::~Solver

(

)

[virtual]

Definition at line 274 of file SVM_libsvm.cpp.

---

Member Function Documentation

void Solver::Solve	(	int	l,
		const QMatrix &	Q,
		const double *	p_,
		const schar *	y_,
		double *	alpha_,
		double	Cp,
		double	Cn,
		double	eps,
		SolutionInfo *	si,
		int	shrinking
	)

Definition at line 360 of file SVM_libsvm.cpp.

double Solver::get_C

(

int

i

)

[protected]

Definition at line 304 of file SVM_libsvm.cpp.

void Solver::update_alpha_status

(

int

i

)

[protected]

Definition at line 308 of file SVM_libsvm.cpp.

bool Solver::is_upper_bound

(

int

i

)

[protected]

Definition at line 316 of file SVM_libsvm.cpp.

bool Solver::is_lower_bound

(

int

i

)

[protected]

Definition at line 317 of file SVM_libsvm.cpp.

bool Solver::is_free

(

int

i

)

[protected]

Definition at line 318 of file SVM_libsvm.cpp.

void Solver::swap_index	(	int	i,
		int	j
	)			[protected]

Definition at line 328 of file SVM_libsvm.cpp.

void Solver::reconstruct_gradient

(

)

[protected]

Definition at line 340 of file SVM_libsvm.cpp.

int Solver::select_working_set	(	int &	i,
		int &	j,
		double &	gap
	)			[protected, virtual]

Definition at line 624 of file SVM_libsvm.cpp.

double Solver::calculate_rho

(

)

[protected, virtual]

Definition at line 821 of file SVM_libsvm.cpp.

void Solver::do_shrinking

(

)

[protected, virtual]

Definition at line 744 of file SVM_libsvm.cpp.

---

Member Data Documentation

int Solver::active_size [protected]

Definition at line 288 of file SVM_libsvm.cpp.

schar* Solver::y [protected]

Definition at line 289 of file SVM_libsvm.cpp.

double* Solver::G [protected]

Definition at line 290 of file SVM_libsvm.cpp.

char* Solver::alpha_status [protected]

Definition at line 292 of file SVM_libsvm.cpp.

double* Solver::alpha [protected]

Definition at line 293 of file SVM_libsvm.cpp.

const QMatrix* Solver::Q [protected]

Definition at line 294 of file SVM_libsvm.cpp.

const Qfloat* Solver::QD [protected]

Definition at line 295 of file SVM_libsvm.cpp.

double Solver::eps [protected]

Definition at line 296 of file SVM_libsvm.cpp.

double Solver::Cp [protected]

Definition at line 297 of file SVM_libsvm.cpp.

double Solver::Cn [protected]

Definition at line 297 of file SVM_libsvm.cpp.

double* Solver::p [protected]

Definition at line 298 of file SVM_libsvm.cpp.

int* Solver::active_set [protected]

Definition at line 299 of file SVM_libsvm.cpp.

double* Solver::G_bar [protected]

Definition at line 300 of file SVM_libsvm.cpp.

int Solver::l [protected]

Definition at line 301 of file SVM_libsvm.cpp.

bool Solver::unshrinked [protected]

Definition at line 302 of file SVM_libsvm.cpp.

---

The documentation for this class was generated from the following file:

• SVM_libsvm.cpp