org.nd4j.linalg.ops.transforms

Class Transforms

java.lang.Object

org.nd4j.linalg.ops.transforms.Transforms

public class Transforms
extends java.lang.Object

Functional interface for the different transform classes

Constructor Summary

Constructors

Constructor and Description
Transforms()

Method Summary

Modifier and Type	Method and Description
static IComplexNDArray	abs(IComplexNDArray ndArray)
static IComplexNDArray	abs(IComplexNDArray ndArray, boolean dup)
static INDArray	abs(INDArray ndArray)
static INDArray	abs(INDArray ndArray, boolean dup)
static double	cosineSim(INDArray d1, INDArray d2) Cosine similarity
static INDArray	downSample(INDArray d1, int[] stride) Down sampling a signal (specifically the first 2 dimensions)
static IComplexNDArray	eq(IComplexNDArray ndArray) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	eq(IComplexNDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static INDArray	eq(INDArray ndArray) Binary matrix of whether the number at a given index is equal
static INDArray	eq(INDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	exp(IComplexNDArray ndArray)
static IComplexNDArray	exp(IComplexNDArray ndArray, boolean dup)
static INDArray	exp(INDArray ndArray)
static INDArray	exp(INDArray ndArray, boolean dup)
static IComplexNDArray	floor(IComplexNDArray ndArray) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	floor(IComplexNDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static INDArray	floor(INDArray ndArray) Binary matrix of whether the number at a given index is greater than
static INDArray	floor(INDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is greater than
static IComplexNDArray	gt(IComplexNDArray ndArray) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	gt(IComplexNDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static INDArray	gt(INDArray ndArray) Binary matrix of whether the number at a given index is equal
static INDArray	gt(INDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	hardTanh(IComplexNDArray ndArray)
static IComplexNDArray	hardTanh(IComplexNDArray ndArray, boolean dup)
static INDArray	hardTanh(INDArray ndArray)
static INDArray	hardTanh(INDArray ndArray, boolean dup)
static IComplexNDArray	identity(IComplexNDArray ndArray)
static IComplexNDArray	identity(IComplexNDArray ndArray, boolean dup)
static INDArray	identity(INDArray ndArray)
static INDArray	identity(INDArray ndArray, boolean dup)
static IComplexNDArray	log(IComplexNDArray ndArray)
static IComplexNDArray	log(IComplexNDArray ndArray, boolean dup)
static INDArray	log(INDArray ndArray)
static INDArray	log(INDArray ndArray, boolean dup)
static IComplexNDArray	lt(IComplexNDArray ndArray) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	lt(IComplexNDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static INDArray	lt(INDArray ndArray) Binary matrix of whether the number at a given index is equal
static INDArray	lt(INDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	max(IComplexNDArray ndArray)
static IComplexNDArray	max(IComplexNDArray ndArray, boolean dup)
static IComplexNDArray	max(IComplexNDArray ndArray, double max) Max function
static IComplexNDArray	max(IComplexNDArray ndArray, double max, boolean dup) Max function
static INDArray	max(INDArray ndArray)
static INDArray	max(INDArray ndArray, boolean dup)
static INDArray	max(INDArray ndArray, double max) Max function
static INDArray	max(INDArray ndArray, double max, boolean dup) Max function
static INDArray	maxPool(INDArray input, int[] ds, boolean ignoreBorder) Max pooling
static IComplexNDArray	neg(IComplexNDArray ndArray)
static IComplexNDArray	neg(IComplexNDArray ndArray, boolean dup)
static INDArray	neg(INDArray ndArray)
static INDArray	neg(INDArray ndArray, boolean dup)
static IComplexNDArray	neq(IComplexNDArray ndArray) Binary matrix of whether the number at a given index is equal
static IComplexNDArray	neq(IComplexNDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static INDArray	neq(INDArray ndArray) Binary matrix of whether the number at a given index is equal
static INDArray	neq(INDArray ndArray, boolean dup) Binary matrix of whether the number at a given index is equal
static INDArray	normalizeZeroMeanAndUnitVariance(INDArray toNormalize) Normalize data to zero mean and unit variance substract by the mean and divide by the standard deviation
static INDArray	pool(INDArray toPool, int[] stride) Pooled expectations
static IComplexNDArray	pow(IComplexNDArray ndArray, IComplexNumber power)
static IComplexNDArray	pow(IComplexNDArray ndArray, IComplexNumber power, boolean dup)
static INDArray	pow(INDArray ndArray, java.lang.Number power)
static INDArray	pow(INDArray ndArray, java.lang.Number power, boolean dup)
static IComplexNDArray	round(IComplexNDArray ndArray)
static IComplexNDArray	round(IComplexNDArray ndArray, boolean dup)
static INDArray	round(INDArray ndArray)
static INDArray	round(INDArray ndArray, boolean dup)
static IComplexNDArray	sigmoid(IComplexNDArray ndArray)
static IComplexNDArray	sigmoid(IComplexNDArray ndArray, boolean dup)
static INDArray	sigmoid(INDArray ndArray)
static INDArray	sigmoid(INDArray ndArray, boolean dup)
static INDArray	sign(IComplexNDArray toSign) Signum function of this ndarray
static INDArray	sign(IComplexNDArray toSign, boolean dup) Signum function of this ndarray
static INDArray	sign(INDArray toSign) Signum function of this ndarray
static INDArray	sign(INDArray toSign, boolean dup) Signum function of this ndarray
static IComplexNDArray	sqrt(IComplexNDArray ndArray)
static IComplexNDArray	sqrt(IComplexNDArray ndArray, boolean dup)
static INDArray	sqrt(INDArray ndArray)
static INDArray	sqrt(INDArray ndArray, boolean dup)
static IComplexNDArray	stabilize(IComplexNDArray ndArray, double k)
static IComplexNDArray	stabilize(IComplexNDArray ndArray, double k, boolean dup)
static INDArray	stabilize(INDArray ndArray, double k)
static INDArray	stabilize(INDArray ndArray, double k, boolean dup)
static IComplexNDArray	tanh(IComplexNDArray ndArray)
static IComplexNDArray	tanh(IComplexNDArray ndArray, boolean dup)
static INDArray	tanh(INDArray ndArray)
static INDArray	tanh(INDArray ndArray, boolean dup)
static INDArray	unitVec(INDArray toScale) Scale by 1 / norm2 of the matrix
static INDArray	upSample(INDArray d, INDArray scale) Upsampling a signal (specifically the first 2 dimensions

Methods inherited from class java.lang.Object

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

Constructor Detail

Transforms

public Transforms()

Method Detail

maxPool

public static INDArray maxPool(INDArray input,
                               int[] ds,
                               boolean ignoreBorder)

Max pooling

Parameters:

input -

ds - the strides with which to pool expectations

Returns:

downSample

public static INDArray downSample(INDArray d1,
                                  int[] stride)

Down sampling a signal (specifically the first 2 dimensions)

Parameters:

d1 -

stride -

Returns:

pool

public static INDArray pool(INDArray toPool,
                            int[] stride)

Pooled expectations

Parameters:

toPool - the ndarray to pool

stride - the 2d stride across the ndarray

Returns:

upSample

public static INDArray upSample(INDArray d,
                                INDArray scale)

Upsampling a signal (specifically the first 2 dimensions

Parameters:

d -

scale -

Returns:

cosineSim

public static double cosineSim(INDArray d1,
                               INDArray d2)

Cosine similarity

Parameters:

d1 -

d2 -

Returns:

normalizeZeroMeanAndUnitVariance

public static INDArray normalizeZeroMeanAndUnitVariance(INDArray toNormalize)

Normalize data to zero mean and unit variance substract by the mean and divide by the standard deviation

Parameters:

toNormalize - the ndarray to normalize

Returns:

the normalized ndarray

unitVec

public static INDArray unitVec(INDArray toScale)

Scale by 1 / norm2 of the matrix

Parameters:

toScale - the ndarray to scale

Returns:

the scaled ndarray

neg

public static INDArray neg(INDArray ndArray)

neg

public static IComplexNDArray neg(IComplexNDArray ndArray)

eq

public static INDArray eq(INDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

eq

public static IComplexNDArray eq(IComplexNDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

neq

public static INDArray neq(INDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

neq

public static IComplexNDArray neq(IComplexNDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

floor

public static INDArray floor(INDArray ndArray)

Binary matrix of whether the number at a given index is greater than

Parameters:

ndArray -

Returns:

sign

public static INDArray sign(IComplexNDArray toSign)

Signum function of this ndarray

Parameters:

toSign -

Returns:

sign

public static INDArray sign(INDArray toSign)

Signum function of this ndarray

Parameters:

toSign -

Returns:

floor

public static IComplexNDArray floor(IComplexNDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

gt

public static INDArray gt(INDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

gt

public static IComplexNDArray gt(IComplexNDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

lt

public static INDArray lt(INDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

lt

public static IComplexNDArray lt(IComplexNDArray ndArray)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

stabilize

public static INDArray stabilize(INDArray ndArray,
                                 double k)

stabilize

public static IComplexNDArray stabilize(IComplexNDArray ndArray,
                                        double k)

abs

public static INDArray abs(INDArray ndArray)

abs

public static IComplexNDArray abs(IComplexNDArray ndArray)

exp

public static INDArray exp(INDArray ndArray)

exp

public static IComplexNDArray exp(IComplexNDArray ndArray)

hardTanh

public static INDArray hardTanh(INDArray ndArray)

hardTanh

public static IComplexNDArray hardTanh(IComplexNDArray ndArray)

identity

public static INDArray identity(INDArray ndArray)

identity

public static IComplexNDArray identity(IComplexNDArray ndArray)

max

public static INDArray max(INDArray ndArray)

max

public static INDArray max(INDArray ndArray,
                           double max)

Max function

Parameters:

ndArray -

max -

Returns:

max

public static IComplexNDArray max(IComplexNDArray ndArray,
                                  double max)

Max function

Parameters:

ndArray - the ndarray to take the max function of

max - the value to compare

Returns:

max

public static IComplexNDArray max(IComplexNDArray ndArray)

pow

public static INDArray pow(INDArray ndArray,
                           java.lang.Number power)

pow

public static IComplexNDArray pow(IComplexNDArray ndArray,
                                  IComplexNumber power)

round

public static INDArray round(INDArray ndArray)

round

public static IComplexNDArray round(IComplexNDArray ndArray)

sigmoid

public static INDArray sigmoid(INDArray ndArray)

sigmoid

public static IComplexNDArray sigmoid(IComplexNDArray ndArray)

sqrt

public static INDArray sqrt(INDArray ndArray)

sqrt

public static IComplexNDArray sqrt(IComplexNDArray ndArray)

tanh

public static INDArray tanh(INDArray ndArray)

tanh

public static IComplexNDArray tanh(IComplexNDArray ndArray)

log

public static INDArray log(INDArray ndArray)

log

public static IComplexNDArray log(IComplexNDArray ndArray)

eq

public static INDArray eq(INDArray ndArray,
                          boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

eq

public static IComplexNDArray eq(IComplexNDArray ndArray,
                                 boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

neq

public static INDArray neq(INDArray ndArray,
                           boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

neq

public static IComplexNDArray neq(IComplexNDArray ndArray,
                                  boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

floor

public static INDArray floor(INDArray ndArray,
                             boolean dup)

Binary matrix of whether the number at a given index is greater than

Parameters:

ndArray -

Returns:

sign

public static INDArray sign(IComplexNDArray toSign,
                            boolean dup)

Signum function of this ndarray

Parameters:

toSign -

Returns:

sign

public static INDArray sign(INDArray toSign,
                            boolean dup)

Signum function of this ndarray

Parameters:

toSign -

Returns:

floor

public static IComplexNDArray floor(IComplexNDArray ndArray,
                                    boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

gt

public static INDArray gt(INDArray ndArray,
                          boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

gt

public static IComplexNDArray gt(IComplexNDArray ndArray,
                                 boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

lt

public static INDArray lt(INDArray ndArray,
                          boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

lt

public static IComplexNDArray lt(IComplexNDArray ndArray,
                                 boolean dup)

Binary matrix of whether the number at a given index is equal

Parameters:

ndArray -

Returns:

stabilize

public static INDArray stabilize(INDArray ndArray,
                                 double k,
                                 boolean dup)

stabilize

public static IComplexNDArray stabilize(IComplexNDArray ndArray,
                                        double k,
                                        boolean dup)

abs

public static INDArray abs(INDArray ndArray,
                           boolean dup)

abs

public static IComplexNDArray abs(IComplexNDArray ndArray,
                                  boolean dup)

exp

public static INDArray exp(INDArray ndArray,
                           boolean dup)

exp

public static IComplexNDArray exp(IComplexNDArray ndArray,
                                  boolean dup)

hardTanh

public static INDArray hardTanh(INDArray ndArray,
                                boolean dup)

hardTanh

public static IComplexNDArray hardTanh(IComplexNDArray ndArray,
                                       boolean dup)

identity

public static INDArray identity(INDArray ndArray,
                                boolean dup)

identity

public static IComplexNDArray identity(IComplexNDArray ndArray,
                                       boolean dup)

max

public static INDArray max(INDArray ndArray,
                           boolean dup)

max

public static INDArray max(INDArray ndArray,
                           double max,
                           boolean dup)

Max function

Parameters:

ndArray -

max -

Returns:

max

public static IComplexNDArray max(IComplexNDArray ndArray,
                                  double max,
                                  boolean dup)

Max function

Parameters:

ndArray - the ndarray to take the max function of

max - the value to compare

Returns:

max

public static IComplexNDArray max(IComplexNDArray ndArray,
                                  boolean dup)

pow

public static INDArray pow(INDArray ndArray,
                           java.lang.Number power,
                           boolean dup)

pow

public static IComplexNDArray pow(IComplexNDArray ndArray,
                                  IComplexNumber power,
                                  boolean dup)

round

public static INDArray round(INDArray ndArray,
                             boolean dup)

round

public static IComplexNDArray round(IComplexNDArray ndArray,
                                    boolean dup)

sigmoid

public static INDArray sigmoid(INDArray ndArray,
                               boolean dup)

sigmoid

public static IComplexNDArray sigmoid(IComplexNDArray ndArray,
                                      boolean dup)

sqrt

public static INDArray sqrt(INDArray ndArray,
                            boolean dup)

sqrt

public static IComplexNDArray sqrt(IComplexNDArray ndArray,
                                   boolean dup)

tanh

public static INDArray tanh(INDArray ndArray,
                            boolean dup)

tanh

public static IComplexNDArray tanh(IComplexNDArray ndArray,
                                   boolean dup)

log

public static INDArray log(INDArray ndArray,
                           boolean dup)

log

public static IComplexNDArray log(IComplexNDArray ndArray,
                                  boolean dup)

neg

public static INDArray neg(INDArray ndArray,
                           boolean dup)

neg

public static IComplexNDArray neg(IComplexNDArray ndArray,
                                  boolean dup)