org.apache.spark.mllib.linalg

Interface Vector

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

DenseVector, SparseVector

public interface Vector
extends scala.Serializable

Represents a numeric vector, whose index type is Int and value type is Double.

Note: Users should not implement this interface.

Method Summary

Methods

Modifier and Type	Method and Description
double	apply(int i) Gets the value of the ith element.
Vector	copy() Makes a deep copy of this vector.
boolean	equals(Object other)
int	hashCode()
int	size() Size of the vector.
double[]	toArray() Converts the instance to a double array.
breeze.linalg.Vector<Object>	toBreeze() Converts the instance to a breeze vector.

Method Detail

size

int size()

Size of the vector.

toArray

double[] toArray()

Converts the instance to a double array.

equals

boolean equals(Object other)

Overrides:

equals in class Object

hashCode

int hashCode()

Overrides:

hashCode in class Object

toBreeze

breeze.linalg.Vector<Object> toBreeze()

Converts the instance to a breeze vector.

apply

double apply(int i)

Gets the value of the ith element.

Parameters:

i - index

copy

Vector copy()

Makes a deep copy of this vector.