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

A

a() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the coefficient of the leading term of the polynomial.

a() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the coefficient of the leading term of the polynomial.

a0() - Method in class com.github.signaflo.math.polynomial.interpolation.LinearInterpolation

a1() - Method in class com.github.signaflo.math.polynomial.interpolation.LinearInterpolation

abs() - Method in class com.github.signaflo.math.Complex

abs() - Method in interface com.github.signaflo.math.FieldElement

Compute and return the absolute value of this element.

abs() - Method in class com.github.signaflo.math.Rational

abs() - Method in class com.github.signaflo.math.Real

AbstractFunction - Class in com.github.signaflo.math.function

A partial implementation of a scalar-valued function of one variable.

AbstractFunction() - Constructor for class com.github.signaflo.math.function.AbstractFunction

AbstractMultivariateFunction - Class in com.github.signaflo.math.function

A partial implementation of a scalar-valued function of several variables.

AbstractMultivariateFunction() - Constructor for class com.github.signaflo.math.function.AbstractMultivariateFunction

additiveInverse() - Method in class com.github.signaflo.math.Complex

additiveInverse() - Method in interface com.github.signaflo.math.FieldElement

Return the element of this field that, when added to this element, produces the additive identity.

additiveInverse() - Method in class com.github.signaflo.math.Rational

additiveInverse() - Method in class com.github.signaflo.math.Real

Take the additive inverse, or negative, of this real number and return the result.

append(double[], double) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Append the given value to the end of the original array, and return the result in a new array.

argumentsNotNull(Class<T>, Object...) - Static method in class com.github.signaflo.math.operations.Validate

arrayFrom(double...) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create and return a new array from the given data.

arrayFrom(Collection<? extends Number>) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create a new primitive double array from the given collection of numbers.

arrayFrom(Number[]) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create a new primitive double array from the given boxed Number array.

arrayFrom(double...) - Static method in class com.github.signaflo.math.Reals

asDouble() - Method in class com.github.signaflo.math.Real

at(Real) - Method in class com.github.signaflo.math.function.CubicFunction

Evaluate this function at the given point and return the result.

at(double) - Method in class com.github.signaflo.math.function.CubicFunction

at(double) - Method in interface com.github.signaflo.math.function.Function

Compute and return the value of the function at the given point.

at(double) - Method in class com.github.signaflo.math.function.GeneralFunction

at(double...) - Method in interface com.github.signaflo.math.function.MultivariateDoubleFunction

Compute and return the value of the function at the given point.

at(Vector) - Method in interface com.github.signaflo.math.function.MultivariateFunction

Compute and return the value of the function at the given point.

at(Real) - Method in class com.github.signaflo.math.function.QuadraticFunction

Compute and return the value of the function at the given point.

at(double) - Method in class com.github.signaflo.math.function.QuadraticFunction

at(double, double) - Method in interface com.github.signaflo.math.function.SlopeFunction

Compute the slope of the function at the given point using the given function value.

at(int) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Return the element at index i, where indexing begins at 0.

B

b() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the coefficient of the second degree term of the polynomial.

b() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the coefficient of the first degree term of the polynomial.

BFGS - Class in com.github.signaflo.math.optim

An implementation of the Broyden-Fletcher-Goldfarb-Shanno (BFGS) algorithm for unconstrained nonlinear optimization.

BFGS(AbstractMultivariateFunction, Vector, double, double) - Constructor for class com.github.signaflo.math.optim.BFGS

Create a new BFGS object and run the algorithm with the supplied information.

BFGS(AbstractMultivariateFunction, Vector, double, double, Matrix) - Constructor for class com.github.signaflo.math.optim.BFGS

Create a new BFGS object and run the algorithm with the supplied information.

boxCox(double[], double) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Transform the given data using a Box-Cox transformation with the given lambda value.

build() - Method in interface com.github.signaflo.math.linear.doubles.MatrixBuilder

Create a new matrix using the data in this builder.

builder(int, int) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new builder for an m by n matrix with all elements initially set to zero.

C

c() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the coefficient of the first degree term of the polynomial.

c() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the constant term of the polynomial.

centralDifferenceApproximation(Function, double, double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

centralDifferenceGradient(MultivariateDoubleFunction, double[], double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

centralDifferenceGradient(MultivariateFunction, Vector, double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

coefficients() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the coefficients of the polynomial.

coefficients() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the coefficients of the polynomial.

coefficientsDbl() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the coefficients of the polynomial as primitives.

coefficientsDbl() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the coefficients of the polynomial as primitives.

com.github.signaflo.math - package com.github.signaflo.math

General mathematical functionality.

com.github.signaflo.math.function - package com.github.signaflo.math.function

Various mathematical functions.

com.github.signaflo.math.linear.doubles - package com.github.signaflo.math.linear.doubles

Linear algebra functionality using primitive double values in place of FieldElements.

com.github.signaflo.math.operations - package com.github.signaflo.math.operations

Convenience methods for numeric data.

com.github.signaflo.math.optim - package com.github.signaflo.math.optim

Mathematical optimization functions and algorithms.

com.github.signaflo.math.polynomial.interpolation - package com.github.signaflo.math.polynomial.interpolation

Classes for polynomial interpolation.

com.github.signaflo.math.stats - package com.github.signaflo.math.stats

Statistical computations and functions.

com.github.signaflo.math.stats.distributions - package com.github.signaflo.math.stats.distributions

Probability distributions.

combine(double[]...) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create a new array by combining the elements of the input arrays in the order given.

combine(double[][]...) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create a new array by combining the elements of the input arrays in the order given.

compareTo(Complex) - Method in class com.github.signaflo.math.Complex

compareTo(Rational) - Method in class com.github.signaflo.math.Rational

compareTo(Real) - Method in class com.github.signaflo.math.Real

Complex - Class in com.github.signaflo.math

A representation of a complex number.

Complex() - Constructor for class com.github.signaflo.math.Complex

Construct a new complex number with real and imaginary parts both equal to 0.

Complex(double) - Constructor for class com.github.signaflo.math.Complex

Construct a new complex number with zero imaginary part, i.e, a real number.

Complex(double, double) - Constructor for class com.github.signaflo.math.Complex

Construct a new complex number with the given real and imaginary parts.

complexSqrt() - Method in class com.github.signaflo.math.Complex

complexSqrt() - Method in interface com.github.signaflo.math.FieldElement

The square root operation applied to this element, returning a complex number.

complexSqrt() - Method in class com.github.signaflo.math.Rational

complexSqrt() - Method in class com.github.signaflo.math.Real

conjugate() - Method in class com.github.signaflo.math.Complex

conjugate() - Method in interface com.github.signaflo.math.FieldElement

Compute and return the conjugate of this element.

conjugate() - Method in class com.github.signaflo.math.Rational

conjugate() - Method in class com.github.signaflo.math.Real

contains(double) - Method in class com.github.signaflo.math.Real.Interval

copy(double[][]) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

correlationOf(double[], double[]) - Static method in class com.github.signaflo.math.stats.Statistics

covarianceOf(double[], double[]) - Static method in class com.github.signaflo.math.stats.Statistics

create(int, int, double...) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new matrix with the supplied data and dimensions.

create(double[]...) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new matrix from the given two-dimensional array of data, assuming that the data is laid out by row.

create(Matrix.Layout, double[]...) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new matrix from the given two-dimensional array of data.

cubed() - Method in class com.github.signaflo.math.Real

Cube this real number and return the result.

CubicFunction - Class in com.github.signaflo.math.function

A univariate polynomial function of degree 3.

CubicFunction(Real, Real, Real, Real) - Constructor for class com.github.signaflo.math.function.CubicFunction

Create a new cubic function using the given coefficients.

CubicFunction(double, double, double, double) - Constructor for class com.github.signaflo.math.function.CubicFunction

Create a new cubic function using the given coefficients.

D

d() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the constant term of the polynomial.

data() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Obtain the array of data underlying this matrix in row-major order.

data2D(Matrix.Layout) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Obtain the data in this matrix as a two-dimensional array.

data2D() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Obtain the data in this matrix as a two-dimensional array.

diagonal() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Retrieve the elements on the diagonal of this matrix.

differenceOf(double[], double[]) - Static method in class com.github.signaflo.math.operations.Operators

Take the element-by-element difference of the two arrays and return the result in a new array.

Distribution - Interface in com.github.signaflo.math.stats.distributions

A probability distribution.

dividedBy(double) - Method in class com.github.signaflo.math.Complex

Divide this element by the given double.

dividedBy(Complex) - Method in class com.github.signaflo.math.Complex

dividedBy(T) - Method in interface com.github.signaflo.math.FieldElement

Divide this element by the given element and return the result.

dividedBy(Rational) - Method in class com.github.signaflo.math.Rational

dividedBy(Real) - Method in class com.github.signaflo.math.Real

Divide this real number by the given real number and return the result.

doesntContain(double) - Method in class com.github.signaflo.math.Real.Interval

dotProduct(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Compute and return the dot product of this vector and the given vector.

DoubleFunctions - Class in com.github.signaflo.math.operations

Static methods for creating, manipulating, and operating on arrays of primitive doubles.

E

elements() - Method in interface com.github.signaflo.math.linear.doubles.Vector

The elements of the vector as an array of primitive doubles.

endpointsEqual() - Method in class com.github.signaflo.math.Real.Interval

Test if the endpoints of this interval are equal.

endpointsEqual(double) - Method in class com.github.signaflo.math.Real.Interval

Test if the endpoints of this interval are equal within the given tolerance level.

equals(Object) - Method in class com.github.signaflo.math.function.QuadraticFunction

equals(Object) - Method in class com.github.signaflo.math.linear.doubles.QuadraticForm

equals(Object) - Method in class com.github.signaflo.math.polynomial.interpolation.NewtonPolynomial

equals(Object) - Method in class com.github.signaflo.math.Rational

equals(Object) - Method in class com.github.signaflo.math.Real.Interval

equals(Object) - Method in class com.github.signaflo.math.stats.distributions.Normal

equals(Object) - Method in class com.github.signaflo.math.stats.distributions.StudentsT

evaluateAt(double) - Method in class com.github.signaflo.math.polynomial.interpolation.NewtonPolynomial

Evaluate this Newton polynomial at the given point.

extremePoint() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the point at which the local extremum of this function occurs.

extremePointDbl() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the point at which the local extremum of this function occurs as a primitive.

extremum() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the local extremum of this function.

extremumDbl() - Method in class com.github.signaflo.math.function.QuadraticFunction

retrieve the local extremum of this function as a primitive.

F

FieldElement<T> - Interface in com.github.signaflo.math

Represents an element of a mathematical field.

fill(int, int, double) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new matrix with the given dimensions filled with the supplied value.

fill(int, double) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create and return a new array of the given size with every value set to the given value.

forwardDifferenceApproximation(Function, double, double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

forwardDifferenceApproximation(Function, double, double, double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

forwardDifferenceGradient(MultivariateDoubleFunction, double[], double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

forwardDifferenceGradient(MultivariateFunction, Vector, double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

forwardDifferenceGradient(MultivariateFunction, Vector, double, double) - Static method in class com.github.signaflo.math.function.NumericalDerivatives

from(Real) - Static method in class com.github.signaflo.math.Complex

from(double...) - Static method in interface com.github.signaflo.math.linear.doubles.Vector

Create a new vector from the given elements.

from(int, int) - Static method in class com.github.signaflo.math.Rational

from(int) - Static method in class com.github.signaflo.math.Rational

from(double) - Static method in class com.github.signaflo.math.Real

Create a new real number using the given double.

Function - Interface in com.github.signaflo.math.function

A scalar-valued function of one variable.

functionEvaluations() - Method in class com.github.signaflo.math.function.AbstractFunction

The number of times this function has been evaluated.

functionEvaluations() - Method in class com.github.signaflo.math.function.AbstractMultivariateFunction

The number of times this function has been evaluated.

functionValue() - Method in class com.github.signaflo.math.optim.BFGS

Return the final value of the target function.

G

GeneralFunction - Class in com.github.signaflo.math.function

A thin wrapper for a Function.

GeneralFunction(Function) - Constructor for class com.github.signaflo.math.function.GeneralFunction

GeneralFunction(Function, Function) - Constructor for class com.github.signaflo.math.function.GeneralFunction

get(int, int) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Get the element at row i, column j.

getColumn(int) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Get the jth column of the matrix.

getRow(int) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Get the ith row of the matrix.

gradientAt(Vector) - Method in class com.github.signaflo.math.function.AbstractMultivariateFunction

gradientAt(Vector, double) - Method in class com.github.signaflo.math.function.AbstractMultivariateFunction

gradientEvaluations() - Method in class com.github.signaflo.math.function.AbstractMultivariateFunction

The number of times the gradient has been computed.

H

hashCode() - Method in class com.github.signaflo.math.function.QuadraticFunction

hashCode() - Method in class com.github.signaflo.math.linear.doubles.QuadraticForm

hashCode() - Method in class com.github.signaflo.math.polynomial.interpolation.NewtonPolynomial

hashCode() - Method in class com.github.signaflo.math.Rational

hashCode() - Method in class com.github.signaflo.math.Real.Interval

hashCode() - Method in class com.github.signaflo.math.stats.distributions.Normal

hashCode() - Method in class com.github.signaflo.math.stats.distributions.StudentsT

hasMaximum() - Method in class com.github.signaflo.math.function.CubicFunction

Indicates if this function has a maximum or not.

hasMaximum() - Method in class com.github.signaflo.math.function.QuadraticFunction

Indicates if this function has a maximum or not.

hasMinimum() - Method in class com.github.signaflo.math.function.CubicFunction

Indicates if this function has a minimum or not.

hasMinimum() - Method in class com.github.signaflo.math.function.QuadraticFunction

Indicates if this function has a minimum or not.

I

identity(int) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new identity matrix with the given dimension.

identityBuilder(int) - Static method in interface com.github.signaflo.math.linear.doubles.Matrix

Create a new builder for a square matrix of size n with ones on the diagonal.

im() - Method in class com.github.signaflo.math.Complex

The imaginary part of this complex number.

Interval(double, double) - Constructor for class com.github.signaflo.math.Real.Interval

inverseBoxCox(double[], double) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Invert the Box-Cox transformation, returning the original untransformed data.

inverseHessian() - Method in class com.github.signaflo.math.optim.BFGS

Return the final approximation to the inverse Hessian.

isReal() - Method in class com.github.signaflo.math.Complex

Returns true if this complex number is also a real number and false otherwise.

isSquare() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Returns true if the matrix is square and false otherwise.

L

LinearInterpolation - Class in com.github.signaflo.math.polynomial.interpolation

Linear interpolation of two known points.

LinearInterpolation(double, double, double, double) - Constructor for class com.github.signaflo.math.polynomial.interpolation.LinearInterpolation

listFrom(double...) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Create a new list of boxed Doubles from the given array of primitive doubles.

listFrom(double...) - Static method in class com.github.signaflo.math.Reals

localExtrema() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the local extrema of this function.

localExtremePoints() - Method in class com.github.signaflo.math.function.CubicFunction

retrieve the points at which the local extrema of this function occur.

lower() - Method in class com.github.signaflo.math.Real.Interval

lowerDbl() - Method in class com.github.signaflo.math.Real.Interval

M

Matrix - Interface in com.github.signaflo.math.linear.doubles

A real-valued matrix.

Matrix.Layout - Enum in com.github.signaflo.math.linear.doubles

Specifies the layout of the two-dimensional array representation of a matrix.

MatrixBuilder - Interface in com.github.signaflo.math.linear.doubles

A builder for a Matrix object.

meanOf(double...) - Static method in class com.github.signaflo.math.stats.Statistics

medianOf(double...) - Static method in class com.github.signaflo.math.stats.Statistics

minus(Complex) - Method in class com.github.signaflo.math.Complex

minus(T) - Method in interface com.github.signaflo.math.FieldElement

Subtract the given element from this element.

minus(Matrix) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Subtract the given matrix from this matrix and return the resulting difference.

minus(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Subtract the given vector from this vector and return the resulting vector.

minus(double) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Subtract the given scalar from this vector and return the resulting vector.

minus(Rational) - Method in class com.github.signaflo.math.Rational

minus(Real) - Method in class com.github.signaflo.math.Real

Subtract the given real number from this real number and return the result.

minus(Complex) - Method in class com.github.signaflo.math.Real

multiply(Vector, Matrix) - Static method in class com.github.signaflo.math.linear.doubles.QuadraticForm

Compute x^TAx and return the resulting value.

multiply() - Method in class com.github.signaflo.math.linear.doubles.QuadraticForm

Compute x^TAx and return the resulting value.

MultivariateDoubleFunction - Interface in com.github.signaflo.math.function

A scalar-valued function of several variables that uses primitive doubles as input and output values.

MultivariateFunction - Interface in com.github.signaflo.math.function

A scalar-valued function of several variables.

N

ncol() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Retrieve the number of columns of this matrix.

NewtonPolynomial - Class in com.github.signaflo.math.polynomial.interpolation

Represents the Newton form of an interpolating polynomial.

NewtonPolynomial(double[], double[]) - Constructor for class com.github.signaflo.math.polynomial.interpolation.NewtonPolynomial

Create a new Newton polynomial with the given points and function values.

norm() - Method in interface com.github.signaflo.math.linear.doubles.Vector

Compute and return the L2 length of this vector.

Normal - Class in com.github.signaflo.math.stats.distributions

A Normal, or Gaussian, probability distribution.

Normal(double, double) - Constructor for class com.github.signaflo.math.stats.distributions.Normal

Create a new Normal distribution with the given mean and standard deviation.

Normal() - Constructor for class com.github.signaflo.math.stats.distributions.Normal

Create a new standard normal distribution with mean 0 and standard deviation 1.

nrow() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Retrieve the number of rows of this matrix.

NumericalDerivatives - Class in com.github.signaflo.math.function

Static methods for computing numerical derivatives.

O

ones(int) - Static method in interface com.github.signaflo.math.linear.doubles.Vector

Create a new vector of ones with the given size.

Operators - Class in com.github.signaflo.math.operations

Static methods for performing vector operations on arrays.

outerProduct(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Compute and return the outer product of this vector and the given vector.

P

parameters() - Method in class com.github.signaflo.math.optim.BFGS

Return the final, optimized input parameters.

plus(Complex) - Method in class com.github.signaflo.math.Complex

plus(double) - Method in class com.github.signaflo.math.Complex

Add this element to the given double.

plus(T) - Method in interface com.github.signaflo.math.FieldElement

Add this element to the given element.

plus(Matrix) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Add this matrix to the given matrix and return the resulting sum.

plus(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Add this vector to the given vector and return the resulting vector.

plus(Rational) - Method in class com.github.signaflo.math.Rational

plus(Real) - Method in class com.github.signaflo.math.Real

Add this real number to the given real number and return the result.

plus(Complex) - Method in class com.github.signaflo.math.Real

productOf(double[], double[]) - Static method in class com.github.signaflo.math.operations.Operators

Take the element-by-element product of the two arrays and return the result in a new array.

push(double) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Push the provided value to the front of this vector and return the resulting vector.

push(double, double[]) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

push(double[], double[][]) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

pushColumn(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Push the provided vector to the front of this matrix, shifting all other vectors to the right.

pushRow(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Push the provided vector to the top of this matrix, shifting all other vectors down.

Q

QuadraticForm - Class in com.github.signaflo.math.linear.doubles

Represents a quadratic form (see section 3.11 here).

QuadraticForm(Vector, Matrix) - Constructor for class com.github.signaflo.math.linear.doubles.QuadraticForm

QuadraticFunction - Class in com.github.signaflo.math.function

A univariate polynomial function of degree 2.

QuadraticFunction(Real, Real, Real) - Constructor for class com.github.signaflo.math.function.QuadraticFunction

Create a new quadratic function using the given coefficients.

QuadraticFunction(double, double, double) - Constructor for class com.github.signaflo.math.function.QuadraticFunction

Create a new quadratic function using the given coefficients.

quantile(double) - Method in interface com.github.signaflo.math.stats.distributions.Distribution

Compute the value of the quantile function at the given probability.

quantile(double) - Method in class com.github.signaflo.math.stats.distributions.Normal

quantile(double) - Method in class com.github.signaflo.math.stats.distributions.StudentsT

quantile(double) - Method in class com.github.signaflo.math.stats.distributions.Uniform

quotientOf(double[], double[]) - Static method in class com.github.signaflo.math.operations.Operators

Take the element-by-element quotient of the two arrays and return the result in a new array.

R

rand() - Method in interface com.github.signaflo.math.stats.distributions.Distribution

Generate a random value from the distribution.

rand() - Method in class com.github.signaflo.math.stats.distributions.Normal

rand() - Method in class com.github.signaflo.math.stats.distributions.StudentsT

rand() - Method in class com.github.signaflo.math.stats.distributions.Uniform

Rational - Class in com.github.signaflo.math

A representation of a rational number.

real() - Method in class com.github.signaflo.math.Complex

The real part of this complex number.

Real - Class in com.github.signaflo.math

A numerical approximation of a real number.

Real.Interval - Class in com.github.signaflo.math

An interval on the real line.

Reals - Class in com.github.signaflo.math

round(double, int) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Round the given value to the specified precision.

round(double[], int) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Round the given values to the specified precision.

S

scale(double[], double) - Static method in class com.github.signaflo.math.operations.Operators

Scale the original data by alpha and return the result in a new array.

scaledBy(double) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Scale this matrix by the given value and return the scaled matrix.

scaledBy(double) - Method in interface com.github.signaflo.math.linear.doubles.Vector

Scale this vector by the given scalar and return the resulting vector.

set(int, int, double) - Method in interface com.github.signaflo.math.linear.doubles.MatrixBuilder

Set the matrix at the given coordinates to the provided value and return the builder.

setColumn(int, Vector) - Method in interface com.github.signaflo.math.linear.doubles.MatrixBuilder

setDf(Function) - Method in class com.github.signaflo.math.function.GeneralFunction

Set the derivative of this function.

setRow(int, Vector) - Method in interface com.github.signaflo.math.linear.doubles.MatrixBuilder

size() - Method in interface com.github.signaflo.math.linear.doubles.Vector

The number of elements in this vector.

slice(double[], int, int) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Return a slice of the data between the given indices.

slopeAt(double) - Method in class com.github.signaflo.math.function.AbstractFunction

Compute and return the slope at the given point.

slopeAt(double, double) - Method in class com.github.signaflo.math.function.AbstractFunction

slopeAt(double) - Method in class com.github.signaflo.math.function.CubicFunction

slopeAt(double) - Method in class com.github.signaflo.math.function.GeneralFunction

slopeAt(double) - Method in class com.github.signaflo.math.function.QuadraticFunction

slopeEvaluations() - Method in class com.github.signaflo.math.function.AbstractFunction

The number of times the slope has been computed.

SlopeFunction - Interface in com.github.signaflo.math.function

A function used for computing the slope of another function.

sqrt() - Method in class com.github.signaflo.math.Complex

sqrt() - Method in interface com.github.signaflo.math.FieldElement

Computes and returns the square root of this number as long as the square root is of the same type (i.e., belongs to the same field) as this number.

sqrt(double...) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

Take the square root of each element of the given array and return the result in a new array.

sqrt() - Method in class com.github.signaflo.math.Rational

sqrt() - Method in class com.github.signaflo.math.Real

squared() - Method in class com.github.signaflo.math.Real

Square this real number and return the result.

Statistics - Class in com.github.signaflo.math.stats

Static methods for computing basic statistics.

stdDeviationOf(double...) - Static method in class com.github.signaflo.math.stats.Statistics

StudentsT - Class in com.github.signaflo.math.stats.distributions

A Student's t probability distribution.

StudentsT(int) - Constructor for class com.github.signaflo.math.stats.distributions.StudentsT

Create a new Student's t distribution with the given degrees of freedom.

subtract(double[], double) - Static method in class com.github.signaflo.math.operations.Operators

Subtract the given value from each element of the supplied data and return the result in a new array.

sum() - Method in interface com.github.signaflo.math.linear.doubles.Vector

Compute and return the sum of the elements of this vector.

sumOf(double[], double[]) - Static method in class com.github.signaflo.math.operations.Operators

Take the element-by-element sum of the two arrays and return the result in a new array.

sumOf(double...) - Static method in class com.github.signaflo.math.stats.Statistics

sumOfSquared(double...) - Static method in class com.github.signaflo.math.stats.Statistics

sumOfSquares() - Method in interface com.github.signaflo.math.linear.doubles.Vector

Compute and return the sum of squared elements of this vector.

T

times(Complex) - Method in class com.github.signaflo.math.Complex

times(T) - Method in interface com.github.signaflo.math.FieldElement

Multiply this element by the given element.

times(Matrix) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Multiply this matrix by the given matrix and return the resulting product.

times(Vector) - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Multiply this matrix by the given vector and return the resulting transformation.

times(Rational) - Method in class com.github.signaflo.math.Rational

times(Real) - Method in class com.github.signaflo.math.Real

Multiply this real number by the given real number and return the result.

times(double) - Method in class com.github.signaflo.math.Real

toCubic() - Method in class com.github.signaflo.math.polynomial.interpolation.NewtonPolynomial

Convert this Newton polynomial to the standard form of a cubic function, f(x) = ax³ + bx² + cx + d.

toQuadratic() - Method in class com.github.signaflo.math.polynomial.interpolation.NewtonPolynomial

Convert this Newton polynomial to the standard form of a quadratic function, f(x) = ax² + bx + c.

toString() - Method in class com.github.signaflo.math.Complex

toString() - Method in class com.github.signaflo.math.function.CubicFunction

toString() - Method in class com.github.signaflo.math.function.QuadraticFunction

toString() - Method in class com.github.signaflo.math.Rational

toString() - Method in class com.github.signaflo.math.Real.Interval

toString() - Method in class com.github.signaflo.math.Real

toString() - Method in class com.github.signaflo.math.stats.distributions.Normal

toString() - Method in class com.github.signaflo.math.stats.distributions.Uniform

transpose() - Method in interface com.github.signaflo.math.linear.doubles.Matrix

Transpose this matrix and return the resulting transposition.

twoDArrayFrom(List<List<Double>>) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

twoDListFrom(double[]...) - Static method in class com.github.signaflo.math.operations.DoubleFunctions

U

Uniform - Class in com.github.signaflo.math.stats.distributions

Uniform(double, double) - Constructor for class com.github.signaflo.math.stats.distributions.Uniform

upper() - Method in class com.github.signaflo.math.Real.Interval

upperDbl() - Method in class com.github.signaflo.math.Real.Interval

V

Validate - Class in com.github.signaflo.math.operations

Validation methods.

valueOf(String) - Static method in enum com.github.signaflo.math.linear.doubles.Matrix.Layout

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

values() - Static method in enum com.github.signaflo.math.linear.doubles.Matrix.Layout

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

varianceOf(double...) - Static method in class com.github.signaflo.math.stats.Statistics

Vector - Interface in com.github.signaflo.math.linear.doubles

A mathematical vector.

Z

zero() - Static method in class com.github.signaflo.math.Complex

zero() - Static method in class com.github.signaflo.math.Real

zeros() - Method in class com.github.signaflo.math.function.QuadraticFunction

Compute and return the zeros, or roots, of this function.

zeros(int) - Static method in interface com.github.signaflo.math.linear.doubles.Vector

Create a new vector of zeros with the given size.

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