at.tuwien.ifs.somtoolbox.layers.metrics
Class LnMetric
java.lang.Object
at.tuwien.ifs.somtoolbox.layers.metrics.AbstractMetric
at.tuwien.ifs.somtoolbox.layers.metrics.LnMetric
- All Implemented Interfaces:
- DistanceMetric, Comparable<DistanceMetric>
public class LnMetric
- extends AbstractMetric
- implements DistanceMetric
Generic Ln metric. L1 and L2 metrics are still implemented in seperate classes for performance reasons.
- Version:
- $Id: LnMetric.java 3883 2010-11-02 17:13:23Z frank $
- Author:
- Rudolf Mayer
Constructor Summary |
LnMetric(double power)
|
Method Summary |
double |
distance(double[] vector1,
double[] vector2)
Calculates the distance between two vectors provided by argument vector1 and vector2 . |
double |
distance(cern.colt.matrix.DoubleMatrix1D vector1,
cern.colt.matrix.DoubleMatrix1D vector2)
Calculates the distance between two vectors provided by argument vector1 and vector2 . |
String |
toString()
|
Methods inherited from class at.tuwien.ifs.somtoolbox.layers.metrics.AbstractMetric |
checkDimensions, checkDimensions, compareTo, distance, distance, distance, distance, distance, distance, distance, instantiate, instantiateNice, meanVector, performanceTest, setMetricParams, transformValue, transformVector |
LN_METRIC_MATRIX
private final LnMetric.LnMetricMatrix LN_METRIC_MATRIX
n
private double n
root
private double root
LnMetric
public LnMetric(double power)
distance
public double distance(double[] vector1,
double[] vector2)
throws MetricException
- Description copied from interface:
DistanceMetric
- Calculates the distance between two vectors provided by argument
vector1
and vector2
. A
MetricException
is thrown, if the dimensionalities of the two vectors differ.
- Specified by:
distance
in interface DistanceMetric
- Specified by:
distance
in class AbstractMetric
- Parameters:
vector1
- first vector.vector2
- second vector.
- Returns:
- the distance between
vector1
and vector2
.
- Throws:
MetricException
- if the dimensionalities of the two vectors differ.- See Also:
DistanceMetric.distance(double[], double[])
toString
public String toString()
- Overrides:
toString
in class Object
distance
public double distance(cern.colt.matrix.DoubleMatrix1D vector1,
cern.colt.matrix.DoubleMatrix1D vector2)
throws MetricException
- Description copied from interface:
DistanceMetric
- Calculates the distance between two vectors provided by argument
vector1
and vector2
. A
MetricException
is thrown, if the dimensionalities of the two vectors differ.
- Specified by:
distance
in interface DistanceMetric
- Overrides:
distance
in class AbstractMetric
- Parameters:
vector1
- first vector.vector2
- second vector.
- Returns:
- the distance between
vector1
and vector2
.
- Throws:
MetricException
- if the dimensionalities of the two vectors differ.- See Also:
DistanceMetric.distance(cern.colt.matrix.DoubleMatrix1D,
cern.colt.matrix.DoubleMatrix1D)