com.github.jelmerk.knn.util

Class VectorUtils

java.lang.Object

com.github.jelmerk.knn.util.VectorUtils

public final class VectorUtils
extends Object

Misc utility methods for dealing with vectors.

Method Summary

Modifier and Type	Method and Description
static double	magnitude(double[] vector) Calculates the magnitude of the vector.
static float	magnitude(float[] vector) Calculates the magnitude of the vector.
static double[]	normalize(double[] vector) Turns vector to unit vector.
static float[]	normalize(float[] vector) Turns vector to unit vector.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

magnitude

public static double magnitude(double[] vector)

Calculates the magnitude of the vector.

Parameters:

vector - The vector to calculate magnitude for.

Returns:

The magnitude.

normalize

public static double[] normalize(double[] vector)

Turns vector to unit vector.

Parameters:

vector - The vector to normalize.

Returns:

the input vector as a unit vector

magnitude

public static float magnitude(float[] vector)

Calculates the magnitude of the vector.

Parameters:

vector - The vector to calculate magnitude for.

Returns:

The magnitude.

normalize

public static float[] normalize(float[] vector)

Turns vector to unit vector.

Parameters:

vector - The vector to normalize.

Returns:

the input vector as a unit vector