pt.tumba.ngram.svm
Class SolverNU

java.lang.Object
  pt.tumba.ngram.svm.Solver
      pt.tumba.ngram.svm.SolverNU

final class SolverNU
extends Solver

Solver for nu-svm classification and regression additional constraint: e^T \alpha = constant

Nested Class Summary

Nested classes/interfaces inherited from class pt.tumba.ngram.svm.Solver

Solver.SolutionInfo

Field Summary

private Solver.SolutionInfo

si

Fields inherited from class pt.tumba.ngram.svm.Solver

activeSet, activeSize, alpha, alphaStatus, b, Cn, Cp, eps, FREE, G, GBar, INF, l, LOWER_BOUND, Q, unshrinked, UPPER_BOUND, y

Constructor Summary

SolverNU()

Method Summary

(package private) double	calculateRho()
(package private) void	doShrinking()
(package private) int	selectWorkingSet(int[] working_set)
(package private) void	Solve(int l, Kernel Q, double[] b, byte[] y, double[] alpha, double Cp, double Cn, double eps, Solver.SolutionInfo si, boolean shrinking)

Methods inherited from class pt.tumba.ngram.svm.Solver

getC, isFree, isLowerBound, isUpperBound, reconstructGradient, swapIndex, updateAlphaStatus

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

si

private Solver.SolutionInfo si

Constructor Detail

SolverNU

SolverNU()

Method Detail

Solve

void Solve(int l,
           Kernel Q,
           double[] b,
           byte[] y,
           double[] alpha,
           double Cp,
           double Cn,
           double eps,
           Solver.SolutionInfo si,
           boolean shrinking)

Overrides:

Solve in class Solver

selectWorkingSet

int selectWorkingSet(int[] working_set)

Overrides:

selectWorkingSet in class Solver

doShrinking

void doShrinking()

Overrides:

doShrinking in class Solver

calculateRho

double calculateRho()

Overrides:

calculateRho in class Solver