org.apache.spark.mllib.linalg

Interface Matrix

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

DenseMatrix

public interface Matrix
extends scala.Serializable

Trait for a local matrix.

Method Summary

Methods

Modifier and Type	Method and Description
double	apply(int i, int j) Gets the (i, j)-th element.
int	numCols() Number of columns.
int	numRows() Number of rows.
double[]	toArray() Converts to a dense array in column major.
breeze.linalg.Matrix<Object>	toBreeze() Converts to a breeze matrix.
String	toString()

Method Detail

numRows

int numRows()

Number of rows.

numCols

int numCols()

Number of columns.

toArray

double[] toArray()

Converts to a dense array in column major.

toBreeze

breeze.linalg.Matrix<Object> toBreeze()

Converts to a breeze matrix.

apply

double apply(int i,
           int j)

Gets the (i, j)-th element.

toString

String toString()

Overrides:

toString in class Object