AbstractGradientMethod

java.lang.Object

methods.AbstractGradientMethod

All Implemented Interfaces:: Method

Direct Known Subclasses:: ConjugateGradientMethod, FastGradientDescentMethod, GradientDescentMethod

public abstract class AbstractGradientMethod
extends java.lang.Object
implements Method

Abstract class for Gradients methods

Field Summary

Fields
Modifier and Type	Field	Description
`protected double`	`epsilon`	Calculation accuracy
`protected boolean`	`log`	Should log result or not
`protected java.io.BufferedWriter`	`out`	Writer for the log

Constructor Summary

Constructors
Constructor	Description
`AbstractGradientMethod(double epsilon)`	Standard constructor
`AbstractGradientMethod(double epsilon, boolean log, java.lang.String fileName)`	Full constructor

Method Summary

Modifier and Type Method Description

protected void log(double[] x, double[] gradient)
fucntion for logging method

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface interfaces.Method
findMinimum

Field Details
- epsilon
  
  protected final double epsilon
  
  Calculation accuracy
- log
  
  protected final boolean log
  
  Should log result or not
- out
  
  protected final java.io.BufferedWriter out
  
  Writer for the log
Constructor Details
- AbstractGradientMethod
  
  public AbstractGradientMethod(double epsilon, boolean log, java.lang.String fileName) throws java.io.FileNotFoundException
  
  Full constructor
  
  Parameters:
  
  epsilon - epsilon
  
  log - log
  
  fileName - output file for out
  
  Throws:
  
  java.io.FileNotFoundException
- AbstractGradientMethod
  
  public AbstractGradientMethod(double epsilon)
  
  Standard constructor
  
  Parameters:
  
  epsilon - epsilon
Method Details
- log
  
  protected void log(double[] x, double[] gradient) throws java.io.IOException
  
  fucntion for logging method
  
  Parameters:
  
  x - current point
  
  gradient - current gradient
  
  Throws:
  
  java.io.IOException - exception throwed by out