Package schule.ngb.zm.ml

Class MLMath

java.lang.Object

schule.ngb.zm.ml.MLMath

public final class MLMath
extends Object

Method Summary

Modifier and Type	Method	Description
static double[][]	biasAdd(double[][] A, double[] V)
static double[]	biasAdjust(double[] biases, double[][] delta)
static double[][]	copyMatrix(double[][] matrix)
static double	entropy(double[][] A, double[][] Y, int batch_size)
static double[][]	matrixAdd(double[][] A, double[][] B)
static double[][]	matrixApply(double[][] A, DoubleUnaryOperator op)
static double[][]	matrixMultiply(double[][] A, double[][] B)
static double[][]	matrixScale(double[][] A, double[][] S)
static double[][]	matrixSub(double[][] A, double[][] B)
static double[][]	matrixTranspose(double[][] matrix)
static double[]	normalize(double[] vector)
static double	sigmoid(double x)
static double	sigmoidDerivative(double x)
static double	tanh(double x)
static double	tanhDerivative(double x)
static double[][]	toMatrix(double[] vector)
static double[]	toVector(double[][] matrix)

Methods inherited from class java.lang.Object

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

Method Details

sigmoid

public static double sigmoid(double x)

sigmoidDerivative

public static double sigmoidDerivative(double x)

tanh

public static double tanh(double x)

tanhDerivative

public static double tanhDerivative(double x)

normalize

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

matrixMultiply

public static double[][] matrixMultiply(double[][] A,
 double[][] B)

matrixScale

public static double[][] matrixScale(double[][] A,
 double[][] S)

matrixSub

public static double[][] matrixSub(double[][] A,
 double[][] B)

matrixAdd

public static double[][] matrixAdd(double[][] A,
 double[][] B)

matrixTranspose

public static double[][] matrixTranspose(double[][] matrix)

matrixApply

public static double[][] matrixApply(double[][] A,
 DoubleUnaryOperator op)

copyMatrix

public static double[][] copyMatrix(double[][] matrix)

toVector

public static double[] toVector(double[][] matrix)

toMatrix

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

entropy

public static double entropy(double[][] A,
 double[][] Y,
 int batch_size)

biasAdd

public static double[][] biasAdd(double[][] A,
 double[] V)

biasAdjust

public static double[] biasAdjust(double[] biases,
 double[][] delta)