org.encog.mathutil
Class Equilateral

java.lang.Object
  extended by org.encog.mathutil.Equilateral
All Implemented Interfaces:
Serializable

public class Equilateral
extends Object
implements Serializable

Used to produce an array of activations to classify data into groups. This class is provided the number of groups, as well as the range that the activations should fall into.

See Also:
Serialized Form

Field Summary
static int MIN_EQ
          The minimum number of fields to use equilateral encoding.
 
Constructor Summary
Equilateral(int count, double high, double low)
          Construct an equilateral matrix.
 
Method Summary
 int decode(double[] activations)
          Decode a set of activations and see which set it has the lowest Euclidean distance from.
 double[] encode(int set)
          Get the activations for the specified set.
 double getDistance(double[] data, int set)
          Get the Euclidean distance between the specified data and the set number.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

MIN_EQ

public static final int MIN_EQ
The minimum number of fields to use equilateral encoding.

See Also:
Constant Field Values
Constructor Detail

Equilateral

public Equilateral(int count,
                   double high,
                   double low)
Construct an equilateral matrix.

Parameters:
count - The number of sets, these will be the rows in the matrix.
high - The high value for the outputs.
low - The low value for the outputs.
Method Detail

decode

public final int decode(double[] activations)
Decode a set of activations and see which set it has the lowest Euclidean distance from.

Parameters:
activations - The output from the neural network.
Returns:
The set that these activations were closest too.

encode

public final double[] encode(int set)
Get the activations for the specified set.

Parameters:
set - The set to determine the activations for.
Returns:
The activations for the specified sets.

getDistance

public final double getDistance(double[] data,
                                int set)
Get the Euclidean distance between the specified data and the set number.

Parameters:
data - The data to check.
set - The set to check.
Returns:
The distance.


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