org.apache.spark.ml.ann

Class BreezeUtil

Object

org.apache.spark.ml.ann.BreezeUtil

public class BreezeUtil
extends Object

In-place DGEMM and DGEMV for Breeze

Constructor Summary

Constructors

Constructor and Description
BreezeUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static void	dgemm(double alpha, breeze.linalg.DenseMatrix<Object> A, breeze.linalg.DenseMatrix<Object> B, double beta, breeze.linalg.DenseMatrix<Object> C) DGEMM: C := alpha * A * B + beta * C
static void	dgemv(double alpha, breeze.linalg.DenseMatrix<Object> A, breeze.linalg.DenseVector<Object> x, double beta, breeze.linalg.DenseVector<Object> y) DGEMV: y := alpha * A * x + beta * y

Methods inherited from class Object

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

Constructor Detail

BreezeUtil

public BreezeUtil()

Method Detail

dgemm

public static void dgemm(double alpha,
         breeze.linalg.DenseMatrix<Object> A,
         breeze.linalg.DenseMatrix<Object> B,
         double beta,
         breeze.linalg.DenseMatrix<Object> C)

DGEMM: C := alpha * A * B + beta * C

Parameters:

alpha - alpha

A - A

B - B

beta - beta

C - C

dgemv

public static void dgemv(double alpha,
         breeze.linalg.DenseMatrix<Object> A,
         breeze.linalg.DenseVector<Object> x,
         double beta,
         breeze.linalg.DenseVector<Object> y)

DGEMV: y := alpha * A * x + beta * y

Parameters:

alpha - alpha

A - A

x - x

beta - beta

y - y