Struct WeightedEuclidean

Weighted Euclidean distance metric.

Implements
IMetric<System.Double[]>
IDistance<System.Double[]>
IDistance<System.Double[], System.Double[]>
ISimilarity<System.Double[]>
ISimilarity<System.Double[], System.Double[]>
ICloneable
Namespace: ISynergy.Framework.Mathematics.Distances
Assembly: ISynergy.Framework.Mathematics.dll
Syntax
public struct WeightedEuclidean : IMetric<double[]>, IDistance<double[]>, IDistance<double[], double[]>, ISimilarity<double[]>, ISimilarity<double[], double[]>

Constructors

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WeightedEuclidean(Double[])

Initializes a new instance of the WeightedEuclidean struct.

Declaration
public WeightedEuclidean(double[] weights)
Parameters
Type Name Description
System.Double[] weights

The weights.
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WeightedEuclidean(Int32)

Initializes a new instance of the WeightedEuclidean struct.

Declaration
public WeightedEuclidean(int dimensions)
Parameters
Type Name Description
System.Int32 dimensions

The number of dimensions (columns) in the dataset.

Properties

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Weights

Gets or sets the weights for each dimension. Default is a vector of ones.

Declaration
public double[] Weights { get; set; }
Property Value
Type Description
System.Double[]

The weights.

Methods

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Clone()

Creates a new object that is a copy of the current instance.

Declaration
public object Clone()
Returns
Type Description
System.Object

A new object that is a copy of this instance.
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Distance(Double[], Double[])

Computes the distance d(x,y) between points x and y.

Declaration
public double Distance(double[] x, double[] y)
Parameters
Type Name Description
System.Double[] x

The first point x.
System.Double[] y

The second point y.
Returns
Type Description
System.Double

A double-precision value representing the distance d(x,y) between x and y according to the distance function implemented by this class.
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Similarity(Double[], Double[])

Gets a similarity measure between two points.

Declaration
public double Similarity(double[] x, double[] y)
Parameters
Type Name Description
System.Double[] x

The first point to be compared.
System.Double[] y

The second point to be compared.
Returns
Type Description
System.Double

A similarity measure between x and y.

Implements

IMetric<T>
IDistance<T>
IDistance<T, U>
ISimilarity<T>
ISimilarity<T, U>
ICloneable

Extension Methods

EnumExtensions.GetSymbol<T>(T)
ArrayExtensions.Concatenate<T>(T, T[])
CollectionExtensions.FromHierarchy<TSource>(TSource, Func<TSource, TSource>, Func<TSource, Boolean>)
ObjectExtensions.Clone<T>(T)
ObjectExtensions.AddressOf<T>(T)
ObjectExtensions.ToByteArray<T>(T)
ReflectionExtensions.GetPropertyInfo<T, TValue>(T, Expression<Func<T, TValue>>)

See Also