public class SparseLPNormDistanceFunction extends AbstractPrimitiveDistanceFunction<SparseNumberVector<?,?>,DoubleDistance> implements DoubleNorm<SparseNumberVector<?,?>>
Modifier and Type | Class and Description |
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static class |
SparseLPNormDistanceFunction.Parameterizer
Parameterizer
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Modifier and Type | Field and Description |
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private double |
p
Keeps the currently set p.
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Constructor and Description |
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SparseLPNormDistanceFunction(double p)
Provides a LP-Norm for FeatureVectors.
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Modifier and Type | Method and Description |
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DoubleDistance |
distance(SparseNumberVector<?,?> v1,
SparseNumberVector<?,?> v2)
Computes the distance between two given DatabaseObjects according to this
distance function.
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double |
doubleDistance(SparseNumberVector<?,?> v1,
SparseNumberVector<?,?> v2)
Computes the distance between two given Objects according to this distance
function.
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double |
doubleNorm(SparseNumberVector<?,?> v1)
Compute the norm of object obj as double value.
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DoubleDistance |
getDistanceFactory()
Method to get the distance functions factory.
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SimpleTypeInformation<? super SparseNumberVector<?,?>> |
getInputTypeRestriction()
Get the input data type of the function.
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boolean |
isMetric()
Is this distance function metric (in particular, does it satisfy the
triangle equation?)
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DoubleDistance |
norm(SparseNumberVector<?,?> obj)
Compute the norm of object obj.
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instantiate, isSymmetric
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
instantiate, isSymmetric
public SparseLPNormDistanceFunction(double p)
public double doubleDistance(SparseNumberVector<?,?> v1, SparseNumberVector<?,?> v2)
PrimitiveDoubleDistanceFunction
doubleDistance
in interface PrimitiveDoubleDistanceFunction<SparseNumberVector<?,?>>
v1
- first Objectv2
- second Objectpublic double doubleNorm(SparseNumberVector<?,?> v1)
DoubleNorm
doubleNorm
in interface DoubleNorm<SparseNumberVector<?,?>>
v1
- Objectpublic DoubleDistance norm(SparseNumberVector<?,?> obj)
Norm
norm
in interface Norm<SparseNumberVector<?,?>,DoubleDistance>
obj
- Objectpublic DoubleDistance distance(SparseNumberVector<?,?> v1, SparseNumberVector<?,?> v2)
PrimitiveDistanceFunction
distance
in interface PrimitiveDistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
distance
in class AbstractPrimitiveDistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
v1
- first DatabaseObjectv2
- second DatabaseObjectpublic DoubleDistance getDistanceFactory()
DistanceFunction
getDistanceFactory
in interface DistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
getDistanceFactory
in class AbstractPrimitiveDistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
public SimpleTypeInformation<? super SparseNumberVector<?,?>> getInputTypeRestriction()
DistanceFunction
getInputTypeRestriction
in interface DistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
getInputTypeRestriction
in interface PrimitiveDistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
public boolean isMetric()
DistanceFunction
isMetric
in interface DistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
isMetric
in class AbstractPrimitiveDistanceFunction<SparseNumberVector<?,?>,DoubleDistance>
true
when metric.