Function

All Known Implementing Classes:: L2R_ErmFunction, L2R_L2_SvcFunction, L2R_L2_SvrFunction, L2R_LrFunction

interface Function

Method Summary

Modifier and Type

Method

Description

double

fun(double[] w)

void

get_diag_preconditioner(double[] M)

int

get_nr_variable()

void

grad(double[] w, double[] g)

void

Hv(double[] s, double[] Hs)

default double

linesearch_and_update(double[] w, double[] s, MutableDouble f, double[] g, double alpha)

Method Details
- fun
  
  double fun(double[] w)
- grad
  
  void grad(double[] w, double[] g)
- Hv
  
  void Hv(double[] s, double[] Hs)
- get_nr_variable
  
  int get_nr_variable()
- get_diag_preconditioner
  
  void get_diag_preconditioner(double[] M)
- linesearch_and_update
  
  default double linesearch_and_update(double[] w, double[] s, MutableDouble f, double[] g, double alpha)