Solver Class Reference

Inheritance diagram for Solver:

Inheritance graph
[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
schary
double * G
char * alpha_status
double * alpha
const QMatrixQ
const QfloatQD
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:

SHOGUN Machine Learning Toolbox - Documentation