de.unidu.is.gnuplot
Class GnuplotLearner

java.lang.Object
  de.unidu.is.gnuplot.GnuplotLearner

All Implemented Interfaces:

Learner

public class GnuplotLearner

extends java.lang.Object

implements Learner

A class for learning parameters of a function with the Linux/Unix tool gnuplot.

Since:

2002-05-14

Version:

$Revision: 1.6 $, $Date: 2005/02/21 17:29:19 $

Author:

Henrik Nottelmann

Field Summary

protected static org.apache.log4j.Logger

logger The general proxy logger (for all proxies).

Constructor Summary

GnuplotLearner()

Method Summary

java.util.Map	learn(double[] x, double[] y, java.lang.String function, java.lang.String[] vars) Learns the specified variables of the specified function with the given data points.
java.util.Map	learn(java.lang.String filename, java.lang.String separator, java.lang.String function, java.lang.String[] vars) Learns the specified variables of the specified function with the given data points.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static org.apache.log4j.Logger logger

The general proxy logger (for all proxies).

Constructor Detail

GnuplotLearner

public GnuplotLearner()

Method Detail

learn

public java.util.Map learn(double[] x,
                           double[] y,
                           java.lang.String function,
                           java.lang.String[] vars)

Learns the specified variables of the specified function with the given data points.

Internally, the Linux/Unix tool gnuplot is used for learning.

Specified by:

learn in interface Learner

Parameters:

x - array with x values

y - array with y values

function - function

vars - variables to learn

Returns:

map with variables and values

learn

public java.util.Map learn(java.lang.String filename,
                           java.lang.String separator,
                           java.lang.String function,
                           java.lang.String[] vars)

Learns the specified variables of the specified function with the given data points.

Internally, the Linux/Unix tool gnuplot is used for learning.

Specified by:

learn in interface Learner

Parameters:

filename - name of file with data points

separator - string separating x and y values

function - function

vars - variables to learn

Returns:

map with variables and values