public class WeightedSquaredEuclideanDistanceFunction extends AbstractSpatialDoubleDistanceNorm
| Modifier and Type | Field and Description |
|---|---|
protected double[] |
weights
Weight array
|
| Constructor and Description |
|---|
WeightedSquaredEuclideanDistanceFunction(double[] weights)
Constructor.
|
| Modifier and Type | Method and Description |
|---|---|
double |
doubleDistance(NumberVector<?> v1,
NumberVector<?> v2)
Provides the squared Euclidean distance between the given two vectors.
|
double |
doubleMinDist(SpatialComparable mbr1,
SpatialComparable mbr2)
Computes the distance between the two given MBRs according to this
distance function.
|
double |
doubleNorm(NumberVector<?> obj)
Compute the norm of object obj as double value.
|
boolean |
equals(Object obj) |
boolean |
isMetric()
Is this distance function metric (in particular, does it satisfy the
triangle equation?)
|
instantiate, minDistnormdimensionality, dimensionality, dimensionality, dimensionality, distance, getDistanceFactory, getInputTypeRestrictionisSymmetricclone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitdistance, getInputTypeRestrictiongetDistanceFactory, isSymmetricpublic WeightedSquaredEuclideanDistanceFunction(double[] weights)
weights - public double doubleDistance(NumberVector<?> v1, NumberVector<?> v2)
v1 - first Objectv2 - second Objectpublic double doubleNorm(NumberVector<?> obj)
DoubleNormobj - Objectpublic double doubleMinDist(SpatialComparable mbr1, SpatialComparable mbr2)
SpatialPrimitiveDoubleDistanceFunctionmbr1 - the first MBR objectmbr2 - the second MBR objectpublic boolean isMetric()
DistanceFunctionisMetric in interface DistanceFunction<NumberVector<?>,DoubleDistance>isMetric in class AbstractPrimitiveDistanceFunction<NumberVector<?>,DoubleDistance>true when metric.