A B C D E F G H I K L M N O P R S T U V W X Y Z

A

AbstractNumber - Interface in org.nd4j.linalg.util

acosh(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The inverse hyperbolic cosine.

add(AbstractNumber) - Method in interface org.nd4j.linalg.util.AbstractNumber

addRound(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Add and round according to the larger of the two ulp’s.

adjustedrSquared(double, int, int) - Static method in class org.nd4j.linalg.util.MathUtils

This calculates the adjusted r^2 including degrees of freedom.

asin(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The inverse trigonometric sine.

asinh(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The inverse hyperbolic sine.

atan(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The inverse trigonometric tangent.

B

bernoullis(double, double, double) - Static method in class org.nd4j.linalg.util.MathUtils

This will return the bernoulli trial for the given event.

BigDecimalMath - Class in org.nd4j.linalg.util

BigDecimal special functions.

BigDecimalMath() - Constructor for class org.nd4j.linalg.util.BigDecimalMath

binomial(RandomGenerator, int, double) - Static method in class org.nd4j.linalg.util.MathUtils

Generates a binomial distributed number using the given rng

broadhurstBBP(int, int, int[], MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Broadhurst ladder sequence.

C

cbrt(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The cube root.

cellSet() - Method in class org.nd4j.linalg.util.SynchronizedTable

clamp(int, int, int) - Static method in class org.nd4j.linalg.util.MathUtils

Clamps the value to a discrete value

classesFor(Object[]) - Static method in class org.nd4j.linalg.util.ReflectionUtil

Create a class array from the given array of objects

clear() - Method in class org.nd4j.linalg.util.SynchronizedTable

column(C) - Method in class org.nd4j.linalg.util.SynchronizedTable

columnKeySet() - Method in class org.nd4j.linalg.util.SynchronizedTable

columnMap() - Method in class org.nd4j.linalg.util.SynchronizedTable

combination(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the combination of n choose r

contains(Object, Object) - Method in class org.nd4j.linalg.util.SynchronizedTable

containsColumn(Object) - Method in class org.nd4j.linalg.util.SynchronizedTable

containsRow(Object) - Method in class org.nd4j.linalg.util.SynchronizedTable

containsValue(Object) - Method in class org.nd4j.linalg.util.SynchronizedTable

coordSplit(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the coordinate split in a list of coordinates such that the values for ret[0] are the x values and ret[1] are the y values

coordSplit(List<Double>) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the coordinate split in a list of coordinates such that the values for ret[0] are the x values and ret[1] are the y values

copyAtStride(int, NioUtil.BufferType, ByteBuffer, int, int, ByteBuffer, int, int) - Static method in class org.nd4j.linalg.util.NioUtil

Copy from the given from buffer to the to buffer at the specified offsets and strides

correlation(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Returns the correlation coefficient of two double vectors.

cos(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Trigonometric cosine.

cosh(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The hyperbolic cosine.

cot(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The trigonometric co-tangent.

countLines(InputStream) - Static method in class org.nd4j.linalg.util.InputStreamUtil

Count number of lines in a file

countLines(String) - Static method in class org.nd4j.linalg.util.InputStreamUtil

Count number of lines in a file

D

determinationCoefficient(double[], double[], int) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the determination coefficient of two vectors given a length

discretize(double, double, double, int) - Static method in class org.nd4j.linalg.util.MathUtils

Discretize the given value

distanceFinderZValue(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This will translate a vector in to an equivalent integer

div(AbstractNumber) - Method in interface org.nd4j.linalg.util.AbstractNumber

divideRound(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Divide and round.

divideRound(BigDecimal, int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Divide and round.

divideRound(BigDecimal, BigInteger) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Divide and round.

divideRound(BigInteger, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Divide and round.

divideRound(int, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Divide and round.

E

entropy(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the entropy (information gain, or uncertainty of a random variable).

err2prec(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Convert an absolute error to a precision.

err2prec(double, double) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Convert an absolute error to a precision.

err2prec(double) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Convert a relative error to a precision.

errorFor(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

euclideanDistance(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the euclidean distance of two vectors sum(i=1,n) (q_i - p_i)^2

euclideanDistance(float[], float[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the euclidean distance of two vectors sum(i=1,n) (q_i - p_i)^2

exp(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The exponential function.

exp(MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The base of the natural logarithm.

F

factorial(double) - Static method in class org.nd4j.linalg.util.MathUtils

This will return the factorial of the given number n.

fromString(String, String) - Static method in class org.nd4j.linalg.util.MathUtils

This will take a given string and separator and convert it to an equivalent double array.

G

gamma(MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Euler-Mascheroni constant.

Gamma(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The Gamma function.

generateUniform(int) - Static method in class org.nd4j.linalg.util.MathUtils

This will generate a series of uniformally distributed numbers between l times

get(Object, Object) - Method in class org.nd4j.linalg.util.SynchronizedTable

gr(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Tests if a is greater than b.

H

hypot(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The hypotenuse.

hypot(int, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The hypotenuse.

hypotenuse(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

sqrt(a^2 + b^2) without under/overflow.

I

idf(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Inverse document frequency: the total docs divided by the number of times the word appeared in a document

information(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the entropy for a given vector of probabilities.

InputStreamUtil - Class in org.nd4j.linalg.util

Input stream jcuda.utils

InputStreamUtil() - Constructor for class org.nd4j.linalg.util.InputStreamUtil

isEmpty() - Method in class org.nd4j.linalg.util.SynchronizedTable

K

kroneckerDelta(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the kronecker delta of two doubles.

L

log(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The natural logarithm.

log(int, MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The natural logarithm.

log(Rational, MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The natural logarithm.

log2 - Static variable in class org.nd4j.linalg.util.MathUtils

The natural logarithm of 2.

log2(double) - Static method in class org.nd4j.linalg.util.MathUtils

Returns the logarithm of a for base 2.

logs2probs(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Converts an array containing the natural logarithms of probabilities stored in a vector back into probabilities.

M

manhattanDistance(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This will calculate the Manhattan distance between two sets of points.

MathUtils - Class in org.nd4j.linalg.util

This is a math jcuda.utils class.

MathUtils() - Constructor for class org.nd4j.linalg.util.MathUtils

max(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

maxIndex(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Returns index of maximum element in a given array of doubles.

mean(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Computes the mean for an array of doubles.

mergeCoords(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This will merge the coordinates of the given coordinate system.

mergeCoords(List<Double>, List<Double>) - Static method in class org.nd4j.linalg.util.MathUtils

This will merge the coordinates of the given coordinate system.

min(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

mod2pi(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Reduce value to the interval [0,2*Pi].

modpi(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Reduce value to the interval [-Pi/2,Pi/2].

mult(AbstractNumber) - Method in interface org.nd4j.linalg.util.AbstractNumber

multiplyRound(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Multiply and round.

multiplyRound(BigDecimal, Rational) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Multiply and round.

multiplyRound(BigDecimal, int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Multiply and round.

multiplyRound(BigDecimal, BigInteger) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Multiply and round.

N

nameExistsInPath(String) - Static method in class org.nd4j.linalg.util.Paths

Check if a file exists in the path

nextPowOf2(long) - Static method in class org.nd4j.linalg.util.MathUtils

See: http://stackoverflow.com/questions/466204/rounding-off-to-nearest-power-of-2

NioUtil - Class in org.nd4j.linalg.util

NioUtils for operations on nio buffers

NioUtil() - Constructor for class org.nd4j.linalg.util.NioUtil

NioUtil.BufferType - Enum in org.nd4j.linalg.util

normalize(double, double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Normalize a value (val - min) / (max - min)

normalize(double[], double) - Static method in class org.nd4j.linalg.util.MathUtils

Normalizes the doubles in the array using the given value.

normalizeToOne(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

O

org.nd4j.linalg.util - package org.nd4j.linalg.util

P

partitionVariable(List<Double>, int) - Static method in class org.nd4j.linalg.util.MathUtils

This will partition the given whole variable data applyTransformToDestination in to the specified chunk number.

PATH_ENV_VARIABLE - Static variable in class org.nd4j.linalg.util.Paths

Paths - Class in org.nd4j.linalg.util

Path Utilities

Paths() - Constructor for class org.nd4j.linalg.util.Paths

permutation(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the permutation of n choose r.

pi(MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Euler’s constant.

pochhammer(BigDecimal, int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Pochhammer’s function.

pow(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Power function.

pow(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

powRound(BigDecimal, int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Raise to an integer power and round.

prec2err(double, int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Convert a precision (relative error) to an absolute error.

probRound(double, Random) - Static method in class org.nd4j.linalg.util.MathUtils

Rounds a double to the next nearest integer value in a probabilistic fashion (e.g.

probToLogOdds(double) - Static method in class org.nd4j.linalg.util.MathUtils

Returns the log-odds for a given probability.

put(R, C, V) - Method in class org.nd4j.linalg.util.SynchronizedTable

putAll(Table<? extends R, ? extends C, ? extends V>) - Method in class org.nd4j.linalg.util.SynchronizedTable

R

randomDoubleBetween(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

randomFloatBetween(float, float) - Static method in class org.nd4j.linalg.util.MathUtils

randomNumberBetween(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Generates a random integer between the specified numbers

randomNumberBetween(double, double, RandomGenerator) - Static method in class org.nd4j.linalg.util.MathUtils

Generates a random integer between the specified numbers

readObject(File) - Static method in class org.nd4j.linalg.util.SerializationUtils

readObject(InputStream) - Static method in class org.nd4j.linalg.util.SerializationUtils

Reads an object from the given input stream

ReflectionUtil - Class in org.nd4j.linalg.util

Reflect utilities

ReflectionUtil() - Constructor for class org.nd4j.linalg.util.ReflectionUtil

remove(Object, Object) - Method in class org.nd4j.linalg.util.SynchronizedTable

root(int, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The integer root.

rootMeansSquaredError(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the root mean squared error of two data sets

round(double) - Static method in class org.nd4j.linalg.util.MathUtils

Rounds a double to the next nearest integer value.

roundDouble(double, int) - Static method in class org.nd4j.linalg.util.MathUtils

Rounds a double to the given number of decimal places.

roundFloat(float, int) - Static method in class org.nd4j.linalg.util.MathUtils

Rounds a double to the given number of decimal places.

row(R) - Method in class org.nd4j.linalg.util.SynchronizedTable

rowKeySet() - Method in class org.nd4j.linalg.util.SynchronizedTable

rowMap() - Method in class org.nd4j.linalg.util.SynchronizedTable

S

sampleDoublesInInterval(double[][], int) - Static method in class org.nd4j.linalg.util.MathUtils

saveObject(Object, File) - Static method in class org.nd4j.linalg.util.SerializationUtils

scalePrec(BigDecimal, int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Append decimal zeros to the value.

scalePrec(BigDecimal, MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Boost the precision by appending decimal zeros to the value.

SerializationUtils - Class in org.nd4j.linalg.util

Serialization utils for saving and reading serializable objects

SerializationUtils() - Constructor for class org.nd4j.linalg.util.SerializationUtils

sigmoid(double) - Static method in class org.nd4j.linalg.util.MathUtils

1 / 1 + exp(-x)

sin(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Trigonometric sine.

sinh(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The hyperbolic sine.

size() - Method in class org.nd4j.linalg.util.SynchronizedTable

slope(double, double, double, double) - Method in class org.nd4j.linalg.util.MathUtils

This returns the slope of the given points.

sm(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Tests if a is smaller than b.

SMALL - Static variable in class org.nd4j.linalg.util.MathUtils

The small deviation allowed in double comparisons.

sqrt(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The square root.

squaredLoss(double[], double[], double, double) - Static method in class org.nd4j.linalg.util.MathUtils

This will return the squared loss of the given points

ssError(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

How much of the variance is NOT explained by the regression

ssReg(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

How much of the variance is explained by the regression

ssTotal(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Total variance in target attribute

sub(AbstractNumber) - Method in interface org.nd4j.linalg.util.AbstractNumber

subtractRound(BigDecimal, BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Subtract and round according to the larger of the two ulp’s.

sum(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the sum of the given array.

sumOfMeanDifferences(double[], double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Used for calculating top part of simple regression for beta 1

sumOfMeanDifferencesOnePoint(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Used for calculating top part of simple regression for beta 1

sumOfProducts(double[]...) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the sum of products for the given numbers.

sumOfSquares(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the sum of squares for the given vector.

SynchronizedTable<R,C,V> - Class in org.nd4j.linalg.util

Synchronized table

SynchronizedTable(Table<R, C, V>) - Constructor for class org.nd4j.linalg.util.SynchronizedTable

T

tan(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The trigonometric tangent.

tanh(BigDecimal) - Static method in class org.nd4j.linalg.util.BigDecimalMath

The hyperbolic tangent.

tf(int) - Static method in class org.nd4j.linalg.util.MathUtils

Term frequency: 1+ log10(count)

tfidf(double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Return td * idf

times(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the product of all numbers in the given array.

toByteArray(Serializable) - Static method in class org.nd4j.linalg.util.SerializationUtils

Converts the given object to a byte array

toDecimal(String) - Static method in class org.nd4j.linalg.util.MathUtils

This will convert the given binary string to a decimal based integer

U

uniform(Random, double, double) - Static method in class org.nd4j.linalg.util.MathUtils

Generate a uniform random number from the given rng

V

valueOf(String) - Static method in enum org.nd4j.linalg.util.NioUtil.BufferType

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.nd4j.linalg.util.NioUtil.BufferType

Returns an array containing the constants of this enum type, in the order they are declared.

values() - Method in class org.nd4j.linalg.util.SynchronizedTable

vectorLength(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

Returns the vector length (sqrt(sum(x_i))

W

w_0(double[], double[], int) - Static method in class org.nd4j.linalg.util.MathUtils

w_1(double[], double[], int) - Static method in class org.nd4j.linalg.util.MathUtils

weightsFor(List<Double>) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the minimized loss values for a given vector.

weightsFor(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the minimized loss values for a given vector.

writeObject(Serializable, OutputStream) - Static method in class org.nd4j.linalg.util.SerializationUtils

Writes the object to the output stream THIS DOES NOT FLUSH THE STREAM

X

xVals(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the x values of the given vector.

Y

yVals(double[]) - Static method in class org.nd4j.linalg.util.MathUtils

This returns the odd indexed values for the given vector

Z

zeta(int, MathContext) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Riemann zeta function.

zeta1(int) - Static method in class org.nd4j.linalg.util.BigDecimalMath

Riemann zeta function.

A B C D E F G H I K L M N O P R S T U V W X Y Z