Serialized Form

Package org.hipparchus.analysis.differentiation

Class org.hipparchus.analysis.differentiation.DerivativeStructure

class DerivativeStructure extends Object implements Serializable

serialVersionUID:

20161220L

Serialized Fields

data

double[] data

Combined array holding all values.

factory

DSFactory factory

Factory that built the instance.

Class org.hipparchus.analysis.differentiation.DSFactory

class DSFactory extends Object implements Serializable

serialVersionUID:

20161222L

Serialization Methods

writeReplace

private Object writeReplace()

Replace the instance with a data transfer object for serialization.

Class org.hipparchus.analysis.differentiation.FiniteDifferencesDifferentiator

class FiniteDifferencesDifferentiator extends Object implements Serializable

serialVersionUID:

20120917L

Serialized Fields

halfSampleSpan

double halfSampleSpan

Half sample span.

nbPoints

int nbPoints

Number of points to use.

stepSize

double stepSize

Step size.

tMax

double tMax

Upper bound for independent variable.

tMin

double tMin

Lower bound for independent variable.

Class org.hipparchus.analysis.differentiation.Gradient

class Gradient extends Object implements Serializable

serialVersionUID:

20200520L

Serialized Fields

grad

double[] grad

Gradient of the function.

value

double value

Value of the function.

Class org.hipparchus.analysis.differentiation.SparseGradient

class SparseGradient extends Object implements Serializable

serialVersionUID:

20131025L

Serialized Fields

derivatives

Map<Integer,Double> derivatives

Stored derivative, each key representing a different independent variable.

value

double value

Value of the calculation.

Class org.hipparchus.analysis.differentiation.UnivariateDerivative

class UnivariateDerivative extends Object implements Serializable

serialVersionUID:

20200519L

Class org.hipparchus.analysis.differentiation.UnivariateDerivative1

class UnivariateDerivative1 extends UnivariateDerivative<UnivariateDerivative1> implements Serializable

serialVersionUID:

20200519L

Serialized Fields

f0

double f0

Value of the function.

f1

double f1

First derivative of the function.

Class org.hipparchus.analysis.differentiation.UnivariateDerivative1Field

class UnivariateDerivative1Field extends Object implements Serializable

serialVersionUID:

20200519L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Serialized Fields

factory

DSFactory factory

Associated factory for conversions to DerivativeStructure.

one

UnivariateDerivative1 one

One constant.

zero

UnivariateDerivative1 zero

Zero constant.

Class org.hipparchus.analysis.differentiation.UnivariateDerivative2

class UnivariateDerivative2 extends UnivariateDerivative<UnivariateDerivative2> implements Serializable

serialVersionUID:

20200520L

Serialized Fields

f0

double f0

Value of the function.

f1

double f1

First derivative of the function.

f2

double f2

Second derivative of the function.

Class org.hipparchus.analysis.differentiation.UnivariateDerivative2Field

class UnivariateDerivative2Field extends Object implements Serializable

serialVersionUID:

20200520L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Serialized Fields

factory

DSFactory factory

Associated factory for conversions to DerivativeStructure.

one

UnivariateDerivative2 one

One constant.

zero

UnivariateDerivative2 zero

Zero constant.

Package org.hipparchus.analysis.interpolation

Class org.hipparchus.analysis.interpolation.BilinearInterpolatingFunction

class BilinearInterpolatingFunction extends Object implements Serializable

serialVersionUID:

20180926L

Serialized Fields

fVal

double[] fVal

Values of the interpolation points on all the grid knots (in a flatten array).

xGrid

GridAxis xGrid

Grid along the x axis.

yGrid

GridAxis yGrid

Grid along the y axis.

ySize

int ySize

Grid size along the y axis.

Class org.hipparchus.analysis.interpolation.DividedDifferenceInterpolator

class DividedDifferenceInterpolator extends Object implements Serializable

serialVersionUID:

107049519551235069L

Class org.hipparchus.analysis.interpolation.GridAxis

class GridAxis extends Object implements Serializable

serialVersionUID:

20180926L

Serialized Fields

cache

AtomicInteger cache

Cached value of last x index.

grid

double[] grid

All the coordinates of the interpolation points, sorted in increasing order.

n

int n

Number of points required for interpolation.

Class org.hipparchus.analysis.interpolation.LoessInterpolator

class LoessInterpolator extends Object implements Serializable

serialVersionUID:

5204927143605193821L

Serialized Fields

accuracy

double accuracy

If the median residual at a certain robustness iteration is less than this amount, no more iterations are done.

bandwidth

double bandwidth

The bandwidth parameter: when computing the loess fit at a particular point, this fraction of source points closest to the current point is taken into account for computing a least-squares regression.

A sensible value is usually 0.25 to 0.5.

robustnessIters

int robustnessIters

The number of robustness iterations parameter: this many robustness iterations are done.

A sensible value is usually 0 (just the initial fit without any robustness iterations) to 4.

Class org.hipparchus.analysis.interpolation.NevilleInterpolator

class NevilleInterpolator extends Object implements Serializable

serialVersionUID:

3003707660147873733L

Package org.hipparchus.analysis.polynomials

Class org.hipparchus.analysis.polynomials.PolynomialFunction

class PolynomialFunction extends Object implements Serializable

serialVersionUID:

-7726511984200295583L

Serialized Fields

coefficients

double[] coefficients

The coefficients of the polynomial, ordered by degree -- i.e., coefficients[0] is the constant term and coefficients[n] is the coefficient of x^n where n is the degree of the polynomial.

Class org.hipparchus.analysis.polynomials.SmoothStepFactory.QuadraticSmoothStepFunction

class QuadraticSmoothStepFunction extends SmoothStepFactory.SmoothStepFunction implements Serializable

serialVersionUID:

20230422L

Class org.hipparchus.analysis.polynomials.SmoothStepFactory.SmoothStepFunction

class SmoothStepFunction extends PolynomialFunction implements Serializable

serialVersionUID:

20230113L

Package org.hipparchus.clustering

Class org.hipparchus.clustering.CentroidCluster

class CentroidCluster extends Cluster<T extends Clusterable> implements Serializable

serialVersionUID:

-3075288519071812288L

Serialized Fields

center

Clusterable center

Center of the cluster.

Class org.hipparchus.clustering.Cluster

class Cluster extends Object implements Serializable

serialVersionUID:

-3442297081515880464L

Serialized Fields

points

List<T extends Clusterable> points

The points contained in this cluster.

Class org.hipparchus.clustering.DoublePoint

class DoublePoint extends Object implements Serializable

serialVersionUID:

3946024775784901369L

Serialized Fields

point

double[] point

Point coordinates.

Package org.hipparchus.clustering.distance

Class org.hipparchus.clustering.distance.CanberraDistance

class CanberraDistance extends Object implements Serializable

serialVersionUID:

-6972277381587032228L

Class org.hipparchus.clustering.distance.ChebyshevDistance

class ChebyshevDistance extends Object implements Serializable

serialVersionUID:

-4694868171115238296L

Class org.hipparchus.clustering.distance.EarthMoversDistance

class EarthMoversDistance extends Object implements Serializable

serialVersionUID:

-5406732779747414922L

Class org.hipparchus.clustering.distance.EuclideanDistance

class EuclideanDistance extends Object implements Serializable

serialVersionUID:

1717556319784040040L

Class org.hipparchus.clustering.distance.ManhattanDistance

class ManhattanDistance extends Object implements Serializable

serialVersionUID:

-9108154600539125566L

Package org.hipparchus.complex

Class org.hipparchus.complex.Complex

class Complex extends Object implements Serializable

serialVersionUID:

20160305L

Serialization Methods

readResolve

protected final Object readResolve()

Resolve the transient fields in a deserialized Complex Object. Subclasses will need to override Complex.createComplex(double, double) to deserialize properly.

Serialized Fields

imaginary

double imaginary

The imaginary part.

real

double real

The real part.

Class org.hipparchus.complex.ComplexComparator

class ComplexComparator extends Object implements Serializable

serialVersionUID:

20171113L

Class org.hipparchus.complex.ComplexField

class ComplexField extends Object implements Serializable

serialVersionUID:

20160305L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.complex.Quaternion

class Quaternion extends Object implements Serializable

serialVersionUID:

20092012L

Serialized Fields

q0

double q0

First component (scalar part).

q1

double q1

Second component (first vector part).

q2

double q2

Third component (second vector part).

q3

double q3

Fourth component (third vector part).

Class org.hipparchus.complex.RootsOfUnity

class RootsOfUnity extends Object implements Serializable

serialVersionUID:

20120201L

Serialized Fields

isCounterClockWise

boolean isCounterClockWise

true if RootsOfUnity.computeRoots(int) was called with a positive value of its argument n. In this case, counter-clockwise ordering of the roots of unity should be used.

omegaCount

int omegaCount

Number of roots of unity.

omegaImaginaryClockwise

double[] omegaImaginaryClockwise

Imaginary part of the n-th roots of unity, for negative values of n. In this array, the roots are stored in clockwise order.

omegaImaginaryCounterClockwise

double[] omegaImaginaryCounterClockwise

Imaginary part of the n-th roots of unity, for positive values of n. In this array, the roots are stored in counter-clockwise order.

omegaReal

double[] omegaReal

Real part of the roots.

Package org.hipparchus.distribution

Class org.hipparchus.distribution.EnumeratedDistribution

class EnumeratedDistribution extends Object implements Serializable

serialVersionUID:

20123308L

Serialized Fields

probabilities

double[] probabilities

Probabilities of respective random variable values. For i = 0, ..., singletons.size() - 1, probability[i] is the probability that a random variable following this distribution takes the value singletons[i].

singletons

List<T> singletons

List of random variable values.

Package org.hipparchus.distribution.continuous

Class org.hipparchus.distribution.continuous.AbstractRealDistribution

class AbstractRealDistribution extends Object implements Serializable

serialVersionUID:

20160320L

Serialized Fields

solverAbsoluteAccuracy

double solverAbsoluteAccuracy

Inverse cumulative probability accuracy.

Class org.hipparchus.distribution.continuous.BetaDistribution

class BetaDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

alpha

double alpha

First shape parameter.

beta

double beta

Second shape parameter.

z

double z

Normalizing factor used in density computations.

Class org.hipparchus.distribution.continuous.CauchyDistribution

class CauchyDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

median

double median

The median of this distribution.

scale

double scale

The scale of this distribution.

Class org.hipparchus.distribution.continuous.ChiSquaredDistribution

class ChiSquaredDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

gamma

GammaDistribution gamma

Internal Gamma distribution.

Class org.hipparchus.distribution.continuous.ConstantRealDistribution

class ConstantRealDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

value

double value

Constant value of the distribution

Class org.hipparchus.distribution.continuous.EnumeratedRealDistribution

class EnumeratedRealDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20130308L

Serialized Fields

innerDistribution

EnumeratedDistribution<Double> innerDistribution

EnumeratedDistribution (using the Double wrapper) used to generate the pmf.

Class org.hipparchus.distribution.continuous.ExponentialDistribution

class ExponentialDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

logMean

double logMean

The logarithm of the mean, stored to reduce computing time.

mean

double mean

The mean of this distribution.

Class org.hipparchus.distribution.continuous.FDistribution

class FDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

denominatorDegreesOfFreedom

double denominatorDegreesOfFreedom

The numerator degrees of freedom.

numeratorDegreesOfFreedom

double numeratorDegreesOfFreedom

The numerator degrees of freedom.

numericalVariance

double numericalVariance

Cached numerical variance

Class org.hipparchus.distribution.continuous.GammaDistribution

class GammaDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20120524L

Serialized Fields

densityPrefactor1

double densityPrefactor1

The constant value of shape / scale * sqrt(e / (2 * pi * (shape + g + 0.5))) / L(shape), where L(shape) is the Lanczos approximation returned by Gamma.lanczos(double). This prefactor is used in GammaDistribution.density(double), when no overflow occurs with the natural calculation.

densityPrefactor2

double densityPrefactor2

The constant value of shape * sqrt(e / (2 * pi * (shape + g + 0.5))) / L(shape), where L(shape) is the Lanczos approximation returned by Gamma.lanczos(double). This prefactor is used in GammaDistribution.density(double), when overflow occurs with the natural calculation.

logDensityPrefactor1

double logDensityPrefactor1

The constant value of log(shape / scale * sqrt(e / (2 * pi * (shape + g + 0.5))) / L(shape)), where L(shape) is the Lanczos approximation returned by Gamma.lanczos(double). This prefactor is used in GammaDistribution.logDensity(double), when no overflow occurs with the natural calculation.

logDensityPrefactor2

double logDensityPrefactor2

The constant value of log(shape * sqrt(e / (2 * pi * (shape + g + 0.5))) / L(shape)), where L(shape) is the Lanczos approximation returned by Gamma.lanczos(double). This prefactor is used in GammaDistribution.logDensity(double), when overflow occurs with the natural calculation.

maxLogY

double maxLogY

Upper bound on log(y) (y = x / scale) for the selection of the computation method in GammaDistribution.density(double). For log(y) >= maxLogY, the natural calculation overflows.

minY

double minY

Lower bound on y = x / scale for the selection of the computation method in GammaDistribution.density(double). For y <= minY, the natural calculation overflows.

scale

double scale

The scale parameter.

shape

double shape

The shape parameter.

shiftedShape

double shiftedShape

The constant value of shape + g + 0.5, where g is the Lanczos constant Gamma.LANCZOS_G.

Class org.hipparchus.distribution.continuous.GumbelDistribution

class GumbelDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20141003L

Serialized Fields

beta

double beta

The scale parameter.

mu

double mu

The location parameter.

Class org.hipparchus.distribution.continuous.LaplaceDistribution

class LaplaceDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20141003L

Serialized Fields

beta

double beta

The scale parameter.

mu

double mu

The location parameter.

Class org.hipparchus.distribution.continuous.LevyDistribution

class LevyDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20130314L

Serialized Fields

c

double c

Scale parameter.

halfC

double halfC

Half of c (for calculations).

mu

double mu

Location parameter.

Class org.hipparchus.distribution.continuous.LogisticDistribution

class LogisticDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20141003L

Serialized Fields

mu

double mu

The location parameter.

s

double s

The scale parameter.

Class org.hipparchus.distribution.continuous.LogNormalDistribution

class LogNormalDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20120112L

Serialized Fields

location

double location

The location parameter of this distribution (named m in MathWorld and µ in Wikipedia).

logShapePlusHalfLog2Pi

double logShapePlusHalfLog2Pi

The value of log(shape) + 0.5 * log(2*PI) stored for faster computation.

shape

double shape

The shape parameter of this distribution.

Class org.hipparchus.distribution.continuous.NakagamiDistribution

class NakagamiDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20141003L

Serialized Fields

mu

double mu

The shape parameter.

omega

double omega

The scale parameter.

Class org.hipparchus.distribution.continuous.NormalDistribution

class NormalDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

logStandardDeviationPlusHalfLog2Pi

double logStandardDeviationPlusHalfLog2Pi

The value of log(sd) + 0.5*log(2*pi) stored for faster computation.

mean

double mean

Mean of this distribution.

standardDeviation

double standardDeviation

Standard deviation of this distribution.

Class org.hipparchus.distribution.continuous.ParetoDistribution

class ParetoDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20130424L

Serialized Fields

scale

double scale

The scale parameter of this distribution.

shape

double shape

The shape parameter of this distribution.

Class org.hipparchus.distribution.continuous.TDistribution

class TDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

degreesOfFreedom

double degreesOfFreedom

The degrees of freedom.

factor

double factor

Static computation factor based on degreesOfFreedom.

Class org.hipparchus.distribution.continuous.TriangularDistribution

class TriangularDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20120112L

Serialized Fields

a

double a

Lower limit of this distribution (inclusive).

b

double b

Upper limit of this distribution (inclusive).

c

double c

Mode of this distribution.

Class org.hipparchus.distribution.continuous.UniformRealDistribution

class UniformRealDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20120109L

Serialized Fields

lower

double lower

Lower bound of this distribution (inclusive).

upper

double upper

Upper bound of this distribution (exclusive).

Class org.hipparchus.distribution.continuous.WeibullDistribution

class WeibullDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

scale

double scale

The scale parameter.

shape

double shape

The shape parameter.

Package org.hipparchus.distribution.discrete

Class org.hipparchus.distribution.discrete.AbstractIntegerDistribution

class AbstractIntegerDistribution extends Object implements Serializable

serialVersionUID:

20160320L

Class org.hipparchus.distribution.discrete.BinomialDistribution

class BinomialDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

numberOfTrials

int numberOfTrials

The number of trials.

probabilityOfSuccess

double probabilityOfSuccess

The probability of success.

Class org.hipparchus.distribution.discrete.EnumeratedIntegerDistribution

class EnumeratedIntegerDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20130308L

Serialized Fields

innerDistribution

EnumeratedDistribution<Integer> innerDistribution

EnumeratedDistribution instance (using the Integer wrapper) used to generate the pmf.

Class org.hipparchus.distribution.discrete.GeometricDistribution

class GeometricDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20130507L

Serialized Fields

log1mProbabilityOfSuccess

double log1mProbabilityOfSuccess

log(1 - p) where p is the probability of success.

logProbabilityOfSuccess

double logProbabilityOfSuccess

log(p) where p is the probability of success.

probabilityOfSuccess

double probabilityOfSuccess

The probability of success.

Class org.hipparchus.distribution.discrete.HypergeometricDistribution

class HypergeometricDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

numberOfSuccesses

int numberOfSuccesses

The number of successes in the population.

numericalVariance

double numericalVariance

Cached numerical variance

populationSize

int populationSize

The population size.

sampleSize

int sampleSize

The sample size.

Class org.hipparchus.distribution.discrete.PascalDistribution

class PascalDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

log1mProbabilityOfSuccess

double log1mProbabilityOfSuccess

The value of log(1-p), where p is the probability of success, stored for faster computation.

logProbabilityOfSuccess

double logProbabilityOfSuccess

The value of log(p), where p is the probability of success, stored for faster computation.

numberOfSuccesses

int numberOfSuccesses

The number of successes.

probabilityOfSuccess

double probabilityOfSuccess

The probability of success.

Class org.hipparchus.distribution.discrete.PoissonDistribution

class PoissonDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20160320L

Serialized Fields

epsilon

double epsilon

Convergence criterion for cumulative probability.

maxIterations

int maxIterations

Maximum number of iterations for cumulative probability. Cumulative probabilities are estimated using either Lanczos series approximation of Gamma.regularizedGammaP(double, double, double, int) or continued fraction approximation of Gamma.regularizedGammaQ(double, double, double, int).

mean

double mean

Mean of the distribution.

normal

NormalDistribution normal

Distribution used to compute normal approximation.

Class org.hipparchus.distribution.discrete.UniformIntegerDistribution

class UniformIntegerDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20120109L

Serialized Fields

lower

int lower

Lower bound (inclusive) of this distribution.

upper

int upper

Upper bound (inclusive) of this distribution.

Class org.hipparchus.distribution.discrete.ZipfDistribution

class ZipfDistribution extends AbstractIntegerDistribution implements Serializable

serialVersionUID:

20150501L

Serialized Fields

exponent

double exponent

Exponent parameter of the distribution.

nthHarmonic

double nthHarmonic

Cached values of the nth generalized harmonic.

numberOfElements

int numberOfElements

Number of elements.

numericalMean

double numericalMean

Cached numerical mean

numericalMeanIsCalculated

boolean numericalMeanIsCalculated

Whether or not the numerical mean has been calculated

numericalVariance

double numericalVariance

Cached numerical variance

numericalVarianceIsCalculated

boolean numericalVarianceIsCalculated

Whether or not the numerical variance has been calculated

Package org.hipparchus.exception

Class org.hipparchus.exception.DummyLocalizable

class DummyLocalizable extends Object implements Serializable

serialVersionUID:

8843275624471387299L

Serialized Fields

source

String source

Source string.

Exception Class org.hipparchus.exception.MathIllegalArgumentException

class MathIllegalArgumentException extends MathRuntimeException implements Serializable

serialVersionUID:

-6024911025449780478L

Exception Class org.hipparchus.exception.MathIllegalStateException

class MathIllegalStateException extends MathRuntimeException implements Serializable

serialVersionUID:

-6024911025449780478L

Exception Class org.hipparchus.exception.MathRuntimeException

class MathRuntimeException extends RuntimeException implements Serializable

serialVersionUID:

20160217L

Serialized Fields

parts

Object[] parts

Parts to insert in the format (no translation).

specifier

Localizable specifier

Format specifier (to be translated).

Exception Class org.hipparchus.exception.NullArgumentException

class NullArgumentException extends NullPointerException implements Serializable

serialVersionUID:

20160217L

Serialized Fields

parts

Object[] parts

Parts to insert in the format (no translation).

specifier

Localizable specifier

Format specifier (to be translated).

Package org.hipparchus.fitting

Class org.hipparchus.fitting.WeightedObservedPoint

class WeightedObservedPoint extends Object implements Serializable

serialVersionUID:

5306874947404636157L

Serialized Fields

weight

double weight

Weight of the measurement in the fitting process.

x

double x

Abscissa of the point.

y

double y

Observed value of the function at x.

Class org.hipparchus.fitting.WeightedObservedPoints

class WeightedObservedPoints extends Object implements Serializable

serialVersionUID:

20130813L

Serialized Fields

observations

List<WeightedObservedPoint> observations

Observed points.

Package org.hipparchus.fraction

Class org.hipparchus.fraction.BigFraction

class BigFraction extends Number implements Serializable

serialVersionUID:

-5630213147331578515L

Serialized Fields

denominator

BigInteger denominator

The denominator.

numerator

BigInteger numerator

The numerator.

Class org.hipparchus.fraction.BigFractionField

class BigFractionField extends Object implements Serializable

serialVersionUID:

-1699294557189741703L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.fraction.BigFractionFormat

class BigFractionFormat extends org.hipparchus.fraction.AbstractFormat implements Serializable

serialVersionUID:

20160323L

Class org.hipparchus.fraction.Fraction

class Fraction extends Number implements Serializable

serialVersionUID:

3698073679419233275L

Serialized Fields

denominator

int denominator

The denominator.

numerator

int numerator

The numerator.

Class org.hipparchus.fraction.FractionField

class FractionField extends Object implements Serializable

serialVersionUID:

-1257768487499119313L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.fraction.FractionFormat

class FractionFormat extends org.hipparchus.fraction.AbstractFormat implements Serializable

serialVersionUID:

20160323L

Class org.hipparchus.fraction.ProperBigFractionFormat

class ProperBigFractionFormat extends BigFractionFormat implements Serializable

serialVersionUID:

20160323L

Serialized Fields

wholeFormat

NumberFormat wholeFormat

The format used for the whole number.

Class org.hipparchus.fraction.ProperFractionFormat

class ProperFractionFormat extends FractionFormat implements Serializable

serialVersionUID:

20160323L

Serialized Fields

wholeFormat

NumberFormat wholeFormat

The format used for the whole number.

Package org.hipparchus.geometry

Package org.hipparchus.geometry.enclosing

Class org.hipparchus.geometry.enclosing.EnclosingBall

class EnclosingBall extends Object implements Serializable

serialVersionUID:

20140126L

Serialized Fields

center

P extends Point<S,P> center

Center of the ball.

radius

double radius

Radius of the ball.

support

P extends Point<S,P>[] support

Support points used to define the ball.

Package org.hipparchus.geometry.euclidean.oned

Class org.hipparchus.geometry.euclidean.oned.Euclidean1D

class Euclidean1D extends Object implements Serializable

serialVersionUID:

-1178039568877797126L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Exception Class org.hipparchus.geometry.euclidean.oned.Euclidean1D.NoSubSpaceException

class NoSubSpaceException extends MathRuntimeException implements Serializable

serialVersionUID:

20140225L

Class org.hipparchus.geometry.euclidean.oned.Vector1D

class Vector1D extends Object implements Serializable

serialVersionUID:

7556674948671647925L

Serialized Fields

x

double x

Abscissa.

Package org.hipparchus.geometry.euclidean.threed

Class org.hipparchus.geometry.euclidean.threed.Euclidean3D

class Euclidean3D extends Object implements Serializable

serialVersionUID:

6249091865814886817L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.geometry.euclidean.threed.FieldRotation

class FieldRotation extends Object implements Serializable

serialVersionUID:

20130224L

Serialized Fields

q0

T extends CalculusFieldElement<T> q0

Scalar coordinate of the quaternion.

q1

T extends CalculusFieldElement<T> q1

First coordinate of the vectorial part of the quaternion.

q2

T extends CalculusFieldElement<T> q2

Second coordinate of the vectorial part of the quaternion.

q3

T extends CalculusFieldElement<T> q3

Third coordinate of the vectorial part of the quaternion.

Class org.hipparchus.geometry.euclidean.threed.FieldVector3D

class FieldVector3D extends Object implements Serializable

serialVersionUID:

20130224L

Serialized Fields

x

T extends CalculusFieldElement<T> x

Abscissa.

y

T extends CalculusFieldElement<T> y

Ordinate.

z

T extends CalculusFieldElement<T> z

Height.

Class org.hipparchus.geometry.euclidean.threed.Rotation

class Rotation extends Object implements Serializable

serialVersionUID:

-2153622329907944313L

Serialized Fields

q0

double q0

Scalar coordinate of the quaternion.

q1

double q1

First coordinate of the vectorial part of the quaternion.

q2

double q2

Second coordinate of the vectorial part of the quaternion.

q3

double q3

Third coordinate of the vectorial part of the quaternion.

Class org.hipparchus.geometry.euclidean.threed.SphericalCoordinates

class SphericalCoordinates extends Object implements Serializable

serialVersionUID:

20130206L

Serialization Methods

writeReplace

private Object writeReplace()

Replace the instance with a data transfer object for serialization.

Serialized Fields

jacobian

double[][] jacobian

Jacobian of (r, θ Φ).

phi

double phi

Polar angle (co-latitude) Φ.

phiHessian

double[][] phiHessian

Hessian of polar (co-latitude) angle Φ.

r

double r

Radius.

rHessian

double[][] rHessian

Hessian of radius.

theta

double theta

Azimuthal angle in the x-y plane θ.

thetaHessian

double[][] thetaHessian

Hessian of azimuthal angle in the x-y plane θ.

v

Vector3D v

Cartesian coordinates.

Class org.hipparchus.geometry.euclidean.threed.Vector3D

class Vector3D extends Object implements Serializable

serialVersionUID:

1313493323784566947L

Serialized Fields

x

double x

Abscissa.

y

double y

Ordinate.

z

double z

Height.

Package org.hipparchus.geometry.euclidean.twod

Class org.hipparchus.geometry.euclidean.twod.Euclidean2D

class Euclidean2D extends Object implements Serializable

serialVersionUID:

4793432849757649566L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.geometry.euclidean.twod.Vector2D

class Vector2D extends Object implements Serializable

serialVersionUID:

266938651998679754L

Serialized Fields

x

double x

Abscissa.

y

double y

Ordinate.

Package org.hipparchus.geometry.euclidean.twod.hull

Class org.hipparchus.geometry.euclidean.twod.hull.ConvexHull2D

class ConvexHull2D extends Object implements Serializable

serialVersionUID:

20140129L

Serialized Fields

tolerance

double tolerance

Tolerance threshold used during creation of the hull vertices.

vertices

Vector2D[] vertices

Vertices of the hull.

Package org.hipparchus.geometry.hull

Package org.hipparchus.geometry.spherical.oned

Exception Class org.hipparchus.geometry.spherical.oned.ArcsSet.InconsistentStateAt2PiWrapping

class InconsistentStateAt2PiWrapping extends MathIllegalStateException implements Serializable

serialVersionUID:

20140107L

Class org.hipparchus.geometry.spherical.oned.S1Point

class S1Point extends Object implements Serializable

serialVersionUID:

20131218L

Serialized Fields

alpha

double alpha

Azimuthal angle \( \alpha \).

vector

Vector2D vector

Corresponding 2D normalized vector.

Class org.hipparchus.geometry.spherical.oned.Sphere1D

class Sphere1D extends Object implements Serializable

serialVersionUID:

20131218L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Exception Class org.hipparchus.geometry.spherical.oned.Sphere1D.NoSubSpaceException

class NoSubSpaceException extends MathRuntimeException implements Serializable

serialVersionUID:

20140225L

Package org.hipparchus.geometry.spherical.twod

Class org.hipparchus.geometry.spherical.twod.S2Point

class S2Point extends Object implements Serializable

serialVersionUID:

20131218L

Serialized Fields

phi

double phi

Polar angle \( \varphi \).

theta

double theta

Azimuthal angle \( \theta \) in the x-y plane.

vector

Vector3D vector

Corresponding 3D normalized vector.

Class org.hipparchus.geometry.spherical.twod.Sphere2D

class Sphere2D extends Object implements Serializable

serialVersionUID:

20131218L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Package org.hipparchus.linear

Class org.hipparchus.linear.Array2DRowFieldMatrix

class Array2DRowFieldMatrix extends AbstractFieldMatrix<T extends FieldElement<T>> implements Serializable

serialVersionUID:

7260756672015356458L

Serialized Fields

data

T extends FieldElement<T>[][] data

Entries of the matrix

Class org.hipparchus.linear.Array2DRowRealMatrix

class Array2DRowRealMatrix extends AbstractRealMatrix implements Serializable

serialVersionUID:

-1067294169172445528L

Serialized Fields

data

double[][] data

Entries of the matrix.

Class org.hipparchus.linear.ArrayFieldVector

class ArrayFieldVector extends Object implements Serializable

serialVersionUID:

7648186910365927050L

Serialized Fields

data

T extends FieldElement<T>[] data

Entries of the vector.

field

Field<T extends FieldElement<T>> field

Field to which the elements belong.

Class org.hipparchus.linear.ArrayRealVector

class ArrayRealVector extends RealVector implements Serializable

serialVersionUID:

-1097961340710804027L

Serialized Fields

data

double[] data

Entries of the vector.

Class org.hipparchus.linear.BlockFieldMatrix

class BlockFieldMatrix extends AbstractFieldMatrix<T extends FieldElement<T>> implements Serializable

serialVersionUID:

-4602336630143123183L

Serialized Fields

blockColumns

int blockColumns

Number of block columns of the matrix.

blockRows

int blockRows

Number of block rows of the matrix.

blocks

T extends FieldElement<T>[][] blocks

Blocks of matrix entries.

columns

int columns

Number of columns of the matrix.

rows

int rows

Number of rows of the matrix.

Class org.hipparchus.linear.BlockRealMatrix

class BlockRealMatrix extends AbstractRealMatrix implements Serializable

serialVersionUID:

4991895511313664478L

Serialized Fields

blockColumns

int blockColumns

Number of block columns of the matrix.

blockRows

int blockRows

Number of block rows of the matrix.

blocks

double[][] blocks

Blocks of matrix entries.

columns

int columns

Number of columns of the matrix.

rows

int rows

Number of rows of the matrix.

Class org.hipparchus.linear.DefaultIterativeLinearSolverEvent

class DefaultIterativeLinearSolverEvent extends IterativeLinearSolverEvent implements Serializable

serialVersionUID:

20120129L

Serialized Fields

b

RealVector b

The right-hand side vector.

r

RealVector r

The current estimate of the residual.

rnorm

double rnorm

The current estimate of the norm of the residual.

x

RealVector x

The current estimate of the solution.

Class org.hipparchus.linear.DiagonalMatrix

class DiagonalMatrix extends AbstractRealMatrix implements Serializable

serialVersionUID:

20121229L

Serialized Fields

data

double[] data

Entries of the diagonal.

Class org.hipparchus.linear.IterativeLinearSolverEvent

class IterativeLinearSolverEvent extends IterationEvent implements Serializable

serialVersionUID:

20120129L

Class org.hipparchus.linear.OpenMapRealMatrix

class OpenMapRealMatrix extends AbstractRealMatrix implements Serializable

serialVersionUID:

-5962461716457143437L

Serialized Fields

columns

int columns

Number of columns of the matrix.

entries

OpenIntToDoubleHashMap entries

Storage for (sparse) matrix elements.

rows

int rows

Number of rows of the matrix.

Class org.hipparchus.linear.OpenMapRealVector

class OpenMapRealVector extends SparseRealVector implements Serializable

serialVersionUID:

8772222695580707260L

Serialized Fields

entries

OpenIntToDoubleHashMap entries

Entries of the vector.

epsilon

double epsilon

Tolerance for having a value considered zero.

virtualSize

int virtualSize

Dimension of the vector.

Class org.hipparchus.linear.SparseFieldVector

class SparseFieldVector extends Object implements Serializable

serialVersionUID:

7841233292190413362L

Serialized Fields

entries

OpenIntToFieldHashMap<T extends FieldElement<T>> entries

Entries of the vector.

field

Field<T extends FieldElement<T>> field

Field to which the elements belong.

virtualSize

int virtualSize

Dimension of the vector.

Package org.hipparchus.ode

Class org.hipparchus.ode.ComplexODEState

class ComplexODEState extends Object implements Serializable

serialVersionUID:

20180902L

Serialized Fields

completeDimension

int completeDimension

Complete dimension.

primaryState

Complex[] primaryState

Primary state at time.

secondaryState

Complex[][] secondaryState

Secondary state at time.

time

double time

Time.

Class org.hipparchus.ode.ComplexODEStateAndDerivative

class ComplexODEStateAndDerivative extends ComplexODEState implements Serializable

serialVersionUID:

20180902L

Serialized Fields

primaryDerivative

Complex[] primaryDerivative

Derivative of the primary state at time.

secondaryDerivative

Complex[][] secondaryDerivative

Derivative of the secondary state at time.

Class org.hipparchus.ode.DenseOutputModel

class DenseOutputModel extends Object implements Serializable

serialVersionUID:

20160328L

Serialized Fields

finalTime

double finalTime

Final integration time.

forward

boolean forward

Integration direction indicator.

index

int index

Current interpolator index.

initialTime

double initialTime

Initial integration time.

steps

List<ODEStateInterpolator> steps

Steps table.

Class org.hipparchus.ode.EquationsMapper

class EquationsMapper extends Object implements Serializable

serialVersionUID:

20160327L

Serialized Fields

start

int[] start

Start indices of the components.

Class org.hipparchus.ode.FieldEquationsMapper

class FieldEquationsMapper extends Object implements Serializable

serialVersionUID:

20151114L

Serialized Fields

start

int[] start

Start indices of the components.

Class org.hipparchus.ode.ODEState

class ODEState extends Object implements Serializable

serialVersionUID:

20160408L

Serialized Fields

completeDimension

int completeDimension

Complete dimension.

primaryState

double[] primaryState

Primary state at time.

secondaryState

double[][] secondaryState

Secondary state at time.

time

double time

Time.

Class org.hipparchus.ode.ODEStateAndDerivative

class ODEStateAndDerivative extends ODEState implements Serializable

serialVersionUID:

20160408L

Serialized Fields

primaryDerivative

double[] primaryDerivative

Derivative of the primary state at time.

secondaryDerivative

double[][] secondaryDerivative

Derivative of the secondary state at time.

Exception Class org.hipparchus.ode.VariationalEquation.MismatchedEquations

class MismatchedEquations extends MathIllegalArgumentException implements Serializable

serialVersionUID:

20120902L

Package org.hipparchus.ode.nonstiff.interpolators

Class org.hipparchus.ode.nonstiff.interpolators.AdamsStateInterpolator

class AdamsStateInterpolator extends AbstractODEStateInterpolator implements Serializable

serialVersionUID:

20160402L

Serialized Fields

nordsieck

Array2DRowRealMatrix nordsieck

Nordsieck vector.

reference

ODEStateAndDerivative reference

Reference state.

Sometimes, the reference state is the same as globalPreviousState, sometimes it is the same as globalCurrentState, so we use a separate field to avoid any confusion.

scaled

double[] scaled

First scaled derivative.

scalingH

double scalingH

Step size used in the first scaled derivative and Nordsieck vector.

Class org.hipparchus.ode.nonstiff.interpolators.ClassicalRungeKuttaStateInterpolator

class ClassicalRungeKuttaStateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.DormandPrince54StateInterpolator

class DormandPrince54StateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.DormandPrince853StateInterpolator

class DormandPrince853StateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.EulerStateInterpolator

class EulerStateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.GillStateInterpolator

class GillStateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.GraggBulirschStoerStateInterpolator

class GraggBulirschStoerStateInterpolator extends AbstractODEStateInterpolator implements Serializable

serialVersionUID:

20160329L

Serialized Fields

currentDegree

int currentDegree

Degree of the interpolation polynomials.

errfac

double[] errfac

Error coefficients for the interpolation.

polynomials

double[][] polynomials

Interpolation polynomials.

yMidDots

double[][] yMidDots

Scaled derivatives at the middle of the step $\tau$. (element k is $h^{k} d^{k}y(\tau)/dt^{k}$ where h is step size...)

Class org.hipparchus.ode.nonstiff.interpolators.HighamHall54StateInterpolator

class HighamHall54StateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20111120L

Class org.hipparchus.ode.nonstiff.interpolators.LutherStateInterpolator

class LutherStateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.MidpointStateInterpolator

class MidpointStateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Class org.hipparchus.ode.nonstiff.interpolators.RungeKuttaStateInterpolator

class RungeKuttaStateInterpolator extends AbstractODEStateInterpolator implements Serializable

serialVersionUID:

20160328L

Serialized Fields

yDotK

double[][] yDotK

Slopes at the intermediate points

Class org.hipparchus.ode.nonstiff.interpolators.ThreeEighthesStateInterpolator

class ThreeEighthesStateInterpolator extends RungeKuttaStateInterpolator implements Serializable

serialVersionUID:

20160328L

Package org.hipparchus.ode.sampling

Class org.hipparchus.ode.sampling.AbstractODEStateInterpolator

class AbstractODEStateInterpolator extends Object implements Serializable

serialVersionUID:

20160328L

Serialized Fields

forward

boolean forward

integration direction.

globalCurrentState

ODEStateAndDerivative globalCurrentState

Global current state.

globalPreviousState

ODEStateAndDerivative globalPreviousState

Global previous state.

mapper

EquationsMapper mapper

Mapper for ODE equations primary and secondary components.

softCurrentState

ODEStateAndDerivative softCurrentState

Soft current state.

softPreviousState

ODEStateAndDerivative softPreviousState

Soft previous state.

Package org.hipparchus.optim

Class org.hipparchus.optim.PointValuePair

class PointValuePair extends Pair<double[],Double> implements Serializable

serialVersionUID:

20120513L

Serialization Methods

writeReplace

private Object writeReplace()

Replace the instance with a data transfer object for serialization.

Class org.hipparchus.optim.PointVectorValuePair

class PointVectorValuePair extends Pair<double[],double[]> implements Serializable

serialVersionUID:

20120513L

Serialization Methods

writeReplace

private Object writeReplace()

Replace the instance with a data transfer object for serialization.

Package org.hipparchus.optim.linear

Class org.hipparchus.optim.linear.LinearConstraint

class LinearConstraint extends Object implements Serializable

serialVersionUID:

-764632794033034092L

Serialization Methods

readObject

private void readObject(ObjectInputStream ois)
                 throws ClassNotFoundException,
IOException

Deserialize the instance.

Parameters:

ois - stream from which the object should be read

Throws:

ClassNotFoundException - if a class in the stream cannot be found

IOException - if object cannot be read from the stream

writeObject

private void writeObject(ObjectOutputStream oos)
                  throws IOException

Serialize the instance.

Parameters:

oos - stream where object should be written

Throws:

IOException - if object cannot be written to stream

Serialized Fields

relationship

Relationship relationship

Relationship between left and right hand sides (=, <=, >=).

value

double value

Value of the constraint (right hand side).

Class org.hipparchus.optim.linear.LinearObjectiveFunction

class LinearObjectiveFunction extends Object implements Serializable

serialVersionUID:

-4531815507568396090L

Serialization Methods

readObject

private void readObject(ObjectInputStream ois)
                 throws ClassNotFoundException,
IOException

Deserialize the instance.

Parameters:

ois - stream from which the object should be read

Throws:

ClassNotFoundException - if a class in the stream cannot be found

IOException - if object cannot be read from the stream

writeObject

private void writeObject(ObjectOutputStream oos)
                  throws IOException

Serialize the instance.

Parameters:

oos - stream where object should be written

Throws:

IOException - if object cannot be written to stream

Serialized Fields

constantTerm

double constantTerm

Constant term of the linear equation.

Package org.hipparchus.optim.univariate

Class org.hipparchus.optim.univariate.UnivariatePointValuePair

class UnivariatePointValuePair extends Object implements Serializable

serialVersionUID:

1003888396256744753L

Serialized Fields

point

double point

Point.

value

double value

Value of the objective function at the point.

Package org.hipparchus.random

Class org.hipparchus.random.AbstractWell

class AbstractWell extends org.hipparchus.random.IntRandomGenerator implements Serializable

serialVersionUID:

20150223L

Serialized Fields

index

int index

Current index in the bytes pool.

v

int[] v

Bytes pool.

Class org.hipparchus.random.ISAACRandom

class ISAACRandom extends org.hipparchus.random.IntRandomGenerator implements Serializable

serialVersionUID:

20160529L

Serialized Fields

arr

int[] arr

Service variable.

count

int count

Count through the results in rsl[]

isaacA

int isaacA

Accumulator

isaacB

int isaacB

The last result

isaacC

int isaacC

Counter, guarantees cycle is at least 2^40

isaacI

int isaacI

Service variable.

isaacJ

int isaacJ

Service variable.

isaacX

int isaacX

Service variable.

mem

int[] mem

The internal state

rsl

int[] rsl

The results given to the user

Class org.hipparchus.random.JDKRandomGenerator

class JDKRandomGenerator extends org.hipparchus.random.IntRandomGenerator implements Serializable

serialVersionUID:

20151227L

Serialized Fields

delegate

Random delegate

JDK's RNG.

Class org.hipparchus.random.MersenneTwister

class MersenneTwister extends org.hipparchus.random.IntRandomGenerator implements Serializable

serialVersionUID:

20160529L

Serialized Fields

mt

int[] mt

Bytes pool.

mti

int mti

Current index in the bytes pool.

Class org.hipparchus.random.RandomAdaptor

class RandomAdaptor extends Random implements Serializable

serialVersionUID:

20160529L

Serialized Fields

randomGenerator

RandomGenerator randomGenerator

Wrapped randomGenerator instance

Class org.hipparchus.random.RandomDataGenerator

class RandomDataGenerator extends org.hipparchus.random.ForwardingRandomGenerator implements Serializable

serialVersionUID:

20160529L

Serialized Fields

randomGenerator

RandomGenerator randomGenerator

Source of random data

Class org.hipparchus.random.Well1024a

class Well1024a extends AbstractWell implements Serializable

serialVersionUID:

20150223L

Class org.hipparchus.random.Well19937a

class Well19937a extends AbstractWell implements Serializable

serialVersionUID:

20150223L

Class org.hipparchus.random.Well19937c

class Well19937c extends AbstractWell implements Serializable

serialVersionUID:

20150223L

Class org.hipparchus.random.Well44497a

class Well44497a extends AbstractWell implements Serializable

serialVersionUID:

20150223L

Class org.hipparchus.random.Well44497b

class Well44497b extends AbstractWell implements Serializable

serialVersionUID:

20150223L

Class org.hipparchus.random.Well512a

class Well512a extends AbstractWell implements Serializable

serialVersionUID:

20150223L

Package org.hipparchus.samples

Class org.hipparchus.samples.ClusterAlgorithmComparison.ClusterPlot

class ClusterPlot extends JComponent implements Serializable

Serialized Fields

clusters

List<? extends Cluster<DoublePoint>> clusters

Clusters.

duration

long duration

Duration of the computation.

Class org.hipparchus.samples.ClusterAlgorithmComparison.Display

class Display extends ExampleUtils.ExampleFrame implements Serializable

Class org.hipparchus.samples.ExampleUtils.ExampleFrame

class ExampleFrame extends JFrame implements Serializable

Class org.hipparchus.samples.IntegerDistributionComparison.Display

class Display extends ExampleUtils.ExampleFrame implements Serializable

Serialized Fields

container

JComponent container

Container.

Class org.hipparchus.samples.LowDiscrepancyGeneratorComparison.Display

class Display extends ExampleUtils.ExampleFrame implements Serializable

Class org.hipparchus.samples.LowDiscrepancyGeneratorComparison.Plot

class Plot extends JComponent implements Serializable

Serialized Fields

points

List<Vector2D> points

Points to plot.

Class org.hipparchus.samples.RealDistributionComparison.Display

class Display extends ExampleUtils.ExampleFrame implements Serializable

Serialized Fields

container

JComponent container

Container.

Package org.hipparchus.samples.clustering

Class org.hipparchus.samples.clustering.ImageClusteringExample.Display

class Display extends ExampleUtils.ExampleFrame implements Serializable

Serialized Fields

clusterImage

BufferedImage clusterImage

Cluster image.

clusterSizeSpinner

JSpinner clusterSizeSpinner

Spinner.

painter

org.hipparchus.samples.clustering.ImageClusteringExample.Display.ImagePainter painter

Painter for the clusters.

referenceImage

BufferedImage referenceImage

Reference image.

referenceRaster

Raster referenceRaster

Reference raster.

Package org.hipparchus.samples.geometry

Class org.hipparchus.samples.geometry.GeometryExample.Display

class Display extends ExampleUtils.ExampleFrame implements Serializable

Serialized Fields

canvas

org.piccolo2d.PCanvas canvas

Canvas for plotting.

container

JComponent container

Container.

points

List<Vector2D> points

Points to plot.

Package org.hipparchus.stat

Class org.hipparchus.stat.Frequency

class Frequency extends Object implements Serializable

serialVersionUID:

20160322L

Serialized Fields

freqTable

NavigableMap<T extends Comparable<T>,Long> freqTable

underlying collection

Class org.hipparchus.stat.LongFrequency

class LongFrequency extends Frequency<Long> implements Serializable

serialVersionUID:

20160322L

Package org.hipparchus.stat.descriptive

Class org.hipparchus.stat.descriptive.DescriptiveStatistics

class DescriptiveStatistics extends Object implements Serializable

serialVersionUID:

20160411L

Serialized Fields

eDA

ResizableDoubleArray eDA

Stored data values.

geometricMeanImpl

UnivariateStatistic geometricMeanImpl

Geometric mean statistic implementation.

kurtosisImpl

UnivariateStatistic kurtosisImpl

Kurtosis statistic implementation.

maxImpl

UnivariateStatistic maxImpl

Maximum statistic implementation.

meanImpl

UnivariateStatistic meanImpl

Mean statistic implementation.

minImpl

UnivariateStatistic minImpl

Minimum statistic implementation.

percentileImpl

Percentile percentileImpl

Percentile statistic implementation.

skewnessImpl

UnivariateStatistic skewnessImpl

Skewness statistic implementation.

sumImpl

UnivariateStatistic sumImpl

Sum statistic implementation.

sumOfSquaresImpl

UnivariateStatistic sumOfSquaresImpl

Sum of squares statistic implementation.

varianceImpl

UnivariateStatistic varianceImpl

Variance statistic implementation.

windowSize

int windowSize

holds the window size.

Class org.hipparchus.stat.descriptive.MultivariateSummaryStatistics

class MultivariateSummaryStatistics extends Object implements Serializable

serialVersionUID:

20160424L

Serialized Fields

covarianceImpl

VectorialCovariance covarianceImpl

Covariance statistic implementation

geoMeanImpl

StorelessMultivariateStatistic geoMeanImpl

Geometric mean statistic implementation

k

int k

Dimension of the data.

maxImpl

StorelessMultivariateStatistic maxImpl

Maximum statistic implementation

meanImpl

StorelessMultivariateStatistic meanImpl

Mean statistic implementation

minImpl

StorelessMultivariateStatistic minImpl

Minimum statistic implementation

n

long n

Count of values that have been added

sumImpl

StorelessMultivariateStatistic sumImpl

Sum statistic implementation

sumLogImpl

StorelessMultivariateStatistic sumLogImpl

Sum of log statistic implementation

sumSqImpl

StorelessMultivariateStatistic sumSqImpl

Sum of squares statistic implementation

Class org.hipparchus.stat.descriptive.StatisticalSummaryValues

class StatisticalSummaryValues extends Object implements Serializable

serialVersionUID:

20160406L

Serialized Fields

max

double max

The maximum value

mean

double mean

The sample mean

min

double min

The minimum value

n

long n

The number of observations in the sample

sum

double sum

The sum of the sample values

variance

double variance

The sample variance

Class org.hipparchus.stat.descriptive.StreamingStatistics

class StreamingStatistics extends Object implements Serializable

serialVersionUID:

20160422L

Serialized Fields

computeExtrema

boolean computeExtrema

whether or not min and max are maintained

computeMoments

boolean computeMoments

whether or not moment stats (sum, mean, variance) are maintained

computeSumOfLogs

boolean computeSumOfLogs

whether or not sum of logs and geometric mean are maintained

computeSumOfSquares

boolean computeSumOfSquares

whether or not sum of squares and quadratic mean are maintained

geoMeanImpl

GeometricMean geoMeanImpl

geoMean of values that have been added

maxImpl

Max maxImpl

max of values that have been added

meanImpl

Mean meanImpl

mean of values that have been added

minImpl

Min minImpl

min of values that have been added

n

long n

count of values that have been added

populationVariance

Variance populationVariance

population variance of values that have been added

randomPercentile

RandomPercentile randomPercentile

source of percentiles

secondMoment

SecondMoment secondMoment

SecondMoment is used to compute the mean and variance

sumImpl

Sum sumImpl

sum of values that have been added

sumOfLogsImpl

SumOfLogs sumOfLogsImpl

sumLog of values that have been added

sumOfSquaresImpl

SumOfSquares sumOfSquaresImpl

sum of the square of each value that has been added

varianceImpl

Variance varianceImpl

variance of values that have been added

Package org.hipparchus.stat.descriptive.moment

Class org.hipparchus.stat.descriptive.moment.GeometricMean

class GeometricMean extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

incSumOfLogs

boolean incSumOfLogs

Determines whether or not this statistic can be incremented or cleared.

Statistics based on (constructed from) external statistics cannot be incremented or cleared.

sumOfLogs

SumOfLogs sumOfLogs

Wrapped SumOfLogs instance

Class org.hipparchus.stat.descriptive.moment.Kurtosis

class Kurtosis extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

incMoment

boolean incMoment

Determines whether or not this statistic can be incremented or cleared.

Statistics based on (constructed from) external moments cannot be incremented or cleared.

moment

org.hipparchus.stat.descriptive.moment.FourthMoment moment

Fourth Moment on which this statistic is based

Class org.hipparchus.stat.descriptive.moment.Mean

class Mean extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

incMoment

boolean incMoment

Determines whether or not this statistic can be incremented or cleared.

Statistics based on (constructed from) external moments cannot be incremented or cleared.

moment

org.hipparchus.stat.descriptive.moment.FirstMoment moment

First moment on which this statistic is based.

Class org.hipparchus.stat.descriptive.moment.SecondMoment

class SecondMoment extends org.hipparchus.stat.descriptive.moment.FirstMoment implements Serializable

serialVersionUID:

20150412L

Serialized Fields

m2

double m2

Second moment of values that have been added

Class org.hipparchus.stat.descriptive.moment.SemiVariance

class SemiVariance extends AbstractUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

biasCorrected

boolean biasCorrected

Determines whether or not bias correction is applied when computing the value of the statistic. True means that bias is corrected.

varianceDirection

SemiVariance.Direction varianceDirection

Determines whether to calculate downside or upside SemiVariance.

Class org.hipparchus.stat.descriptive.moment.Skewness

class Skewness extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

incMoment

boolean incMoment

Determines whether or not this statistic can be incremented or cleared.

Statistics based on (constructed from) external moments cannot be incremented or cleared.

moment

org.hipparchus.stat.descriptive.moment.ThirdMoment moment

Third moment on which this statistic is based

Class org.hipparchus.stat.descriptive.moment.StandardDeviation

class StandardDeviation extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

variance

Variance variance

Wrapped Variance instance

Class org.hipparchus.stat.descriptive.moment.Variance

class Variance extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

incMoment

boolean incMoment

Whether or not Variance.increment(double) should increment the internal second moment. When a Variance is constructed with an external SecondMoment as a constructor parameter, this property is set to false and increments must be applied to the second moment directly.

isBiasCorrected

boolean isBiasCorrected

Whether or not bias correction is applied when computing the value of the statistic. True means that bias is corrected. See Variance for details on the formula.

moment

SecondMoment moment

SecondMoment is used in incremental calculation of Variance

Package org.hipparchus.stat.descriptive.rank

Class org.hipparchus.stat.descriptive.rank.Max

class Max extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

n

long n

Number of values that have been added

value

double value

Current value of the statistic

Class org.hipparchus.stat.descriptive.rank.Median

class Median extends AbstractUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

percentile

Percentile percentile

The percentile impl to calculate the median.

Class org.hipparchus.stat.descriptive.rank.Min

class Min extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

n

long n

Number of values that have been added

value

double value

Current value of the statistic

Class org.hipparchus.stat.descriptive.rank.Percentile

class Percentile extends AbstractUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

cachedPivots

int[] cachedPivots

Cached pivots.

estimationType

Percentile.EstimationType estimationType

Any of the Percentile.EstimationTypes such as CM can be used.

kthSelector

KthSelector kthSelector

Default KthSelector used with default pivoting strategy

nanStrategy

NaNStrategy nanStrategy

NaN Handling of the input as defined by NaNStrategy

quantile

double quantile

Determines what percentile is computed when evaluate() is activated with no quantile argument.

Class org.hipparchus.stat.descriptive.rank.PSquarePercentile

class PSquarePercentile extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

countOfObservations

long countOfObservations

Counter to count the values/observations accepted into this data set

initialFive

List<Double> initialFive

Initial list of 5 numbers corresponding to 5 markers. NOTE:watch out for the add methods that are overloaded

markers

PSquarePercentile.PSquareMarkers markers

Markers is the marker collection object which comes to effect only after 5 values are inserted

pValue

double pValue

Computed p value (i,e percentile value of data set hither to received)

quantile

double quantile

The quantile needed should be in range of 0-1. The constructor PSquarePercentile(double) ensures that passed in percentile is divided by 100.

Class org.hipparchus.stat.descriptive.rank.RandomPercentile

class RandomPercentile extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

1L

Serialized Fields

bufferMap

org.hipparchus.stat.descriptive.rank.RandomPercentile.BufferMap bufferMap

Data structure used to manage buffers

currentBuffer

org.hipparchus.stat.descriptive.rank.RandomPercentile.Buffer currentBuffer

Buffer currently being filled

epsilon

double epsilon

Bound on the quantile estimation error

h

int h

Maximum number of buffers minus 1

n

long n

Number of elements consumed from the input data stream

randomGenerator

RandomGenerator randomGenerator

Source of random data

s

int s

Storage size of each buffer

Package org.hipparchus.stat.descriptive.summary

Class org.hipparchus.stat.descriptive.summary.Product

class Product extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

n

long n

The number of values that have been added

value

double value

The current Running Product

Class org.hipparchus.stat.descriptive.summary.Sum

class Sum extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

n

long n

The number of values that have been added

value

double value

The currently running sum

Class org.hipparchus.stat.descriptive.summary.SumOfLogs

class SumOfLogs extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

n

int n

Number of values that have been added

value

double value

The currently running value

Class org.hipparchus.stat.descriptive.summary.SumOfSquares

class SumOfSquares extends AbstractStorelessUnivariateStatistic implements Serializable

serialVersionUID:

20150412L

Serialized Fields

n

long n

Number of values that have been added

value

double value

The currently running sumSq

Package org.hipparchus.stat.descriptive.vector

Class org.hipparchus.stat.descriptive.vector.VectorialCovariance

class VectorialCovariance extends Object implements Serializable

serialVersionUID:

4118372414238930270L

Serialized Fields

isBiasCorrected

boolean isBiasCorrected

Indicator for bias correction.

n

long n

Number of vectors in the sample.

productsSums

double[] productsSums

Sums of products for each component.

sums

double[] sums

Sums for each component.

Class org.hipparchus.stat.descriptive.vector.VectorialStorelessStatistic

class VectorialStorelessStatistic extends Object implements Serializable

serialVersionUID:

20160413L

Serialized Fields

stats

StorelessUnivariateStatistic[] stats

Statistic for each component

Package org.hipparchus.stat.fitting

Class org.hipparchus.stat.fitting.EmpiricalDistribution

class EmpiricalDistribution extends AbstractRealDistribution implements Serializable

serialVersionUID:

5729073523949762654L

Serialized Fields

binCount

int binCount

number of bins

binStats

List<StreamingStatistics> binStats

List of SummaryStatistics objects characterizing the bins

delta

double delta

Grid size

loaded

boolean loaded

is the distribution loaded?

max

double max

Max loaded value

min

double min

Min loaded value

randomData

RandomDataGenerator randomData

RandomDataGenerator instance to use in repeated calls to getNext()

sampleStats

StreamingStatistics sampleStats

Sample statistics

upperBounds

double[] upperBounds

upper bounds of subintervals in (0,1) "belonging" to the bins

Package org.hipparchus.stat.regression

Class org.hipparchus.stat.regression.RegressionResults

class RegressionResults extends Object implements Serializable

serialVersionUID:

1L

Serialized Fields

containsConstant

boolean containsConstant

boolean flag indicator of whether a constant was included

globalFitInfo

double[] globalFitInfo

array storing global results, SSE, MSE, RSQ, adjRSQ

isSymmetricVCD

boolean isSymmetricVCD

boolean flag for variance covariance matrix in symm compressed storage

nobs

long nobs

number of observations on which results are based

parameters

double[] parameters

regression slope parameters

rank

int rank

rank of the solution

varCovData

double[][] varCovData

variance covariance matrix of parameters

Class org.hipparchus.stat.regression.SimpleRegression

class SimpleRegression extends Object implements Serializable

serialVersionUID:

-3004689053607543335L

Serialized Fields

hasIntercept

boolean hasIntercept

include an intercept or not

n

long n

number of observations

sumX

double sumX

sum of x values

sumXX

double sumXX

total variation in x (sum of squared deviations from xbar)

sumXY

double sumXY

sum of products

sumY

double sumY

sum of y values

sumYY

double sumYY

total variation in y (sum of squared deviations from ybar)

xbar

double xbar

mean of accumulated x values, used in updating formulas

ybar

double ybar

mean of accumulated y values, used in updating formulas

Package org.hipparchus.transform

Class org.hipparchus.transform.FastCosineTransformer

class FastCosineTransformer extends Object implements Serializable

serialVersionUID:

20120212L

Serialized Fields

normalization

DctNormalization normalization

The type of DCT to be performed.

Class org.hipparchus.transform.FastFourierTransformer

class FastFourierTransformer extends Object implements Serializable

serialVersionUID:

20120210L

Serialized Fields

normalization

DftNormalization normalization

The type of DFT to be performed.

Class org.hipparchus.transform.FastHadamardTransformer

class FastHadamardTransformer extends Object implements Serializable

serialVersionUID:

20120211L

Class org.hipparchus.transform.FastSineTransformer

class FastSineTransformer extends Object implements Serializable

serialVersionUID:

20120211L

Serialized Fields

normalization

DstNormalization normalization

The type of DST to be performed.

Package org.hipparchus.util

Class org.hipparchus.util.BigReal

class BigReal extends Object implements Serializable

serialVersionUID:

4984534880991310382L

Serialized Fields

d

BigDecimal d

Underlying BigDecimal.

roundingMode

RoundingMode roundingMode

Rounding mode for divisions.

scale

int scale

BigDecimal scale

Class org.hipparchus.util.BigRealField

class BigRealField extends Object implements Serializable

serialVersionUID:

20160327L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.util.Binary64

class Binary64 extends Number implements Serializable

serialVersionUID:

20120227L

Serialized Fields

value

double value

The primitive double value of this object.

Class org.hipparchus.util.Binary64Field

class Binary64Field extends Object implements Serializable

serialVersionUID:

20161219L

Serialization Methods

readResolve

private Object readResolve()

Handle deserialization of the singleton.

Class org.hipparchus.util.IterationEvent

class IterationEvent extends EventObject implements Serializable

serialVersionUID:

20120128L

Serialized Fields

iterations

int iterations

The number of iterations performed so far.

Class org.hipparchus.util.KthSelector

class KthSelector extends Object implements Serializable

serialVersionUID:

20140713L

Serialized Fields

pivotingStrategy

PivotingStrategy pivotingStrategy

A PivotingStrategy used for pivoting.

Class org.hipparchus.util.OpenIntToDoubleHashMap

class OpenIntToDoubleHashMap extends AbstractOpenIntHashMap implements Serializable

serialVersionUID:

20240326L

Serialization Methods

readObject

private void readObject(ObjectInputStream stream)
                 throws IOException,
ClassNotFoundException

Read a serialized object.

Parameters:

stream - input stream

Throws:

IOException - if object cannot be read

ClassNotFoundException - if the class corresponding to the serialized object cannot be found

writeReplace

private Object writeReplace()

Replace the instance with a data transfer object for serialization.

Serialized Fields

missingEntries

double missingEntries

Return value for missing entries.

values

double[] values

Values table.

Class org.hipparchus.util.OpenIntToFieldHashMap

class OpenIntToFieldHashMap extends AbstractOpenIntHashMap implements Serializable

serialVersionUID:

20240326L

Serialization Methods

readObject

private void readObject(ObjectInputStream stream)
                 throws IOException,
ClassNotFoundException

Read a serialized object.

Parameters:

stream - input stream

Throws:

IOException - if object cannot be read

ClassNotFoundException - if the class corresponding to the serialized object cannot be found

Serialized Fields

field

Field<T extends FieldElement<T>> field

Field to which the elements belong.

missingEntries

T extends FieldElement<T> missingEntries

Return value for missing entries.

values

T extends FieldElement<T>[] values

Values table.

Class org.hipparchus.util.ResizableDoubleArray

class ResizableDoubleArray extends Object implements Serializable

serialVersionUID:

20160327L

Serialized Fields

contractionCriterion

double contractionCriterion

The contraction criteria determines when the internal array will be contracted to fit the number of elements contained in the element array + 1.

expansionFactor

double expansionFactor

The expansion factor of the array. When the array needs to be expanded, the new array size will be internalArray.length * expansionFactor if expansionMode is set to MULTIPLICATIVE, or internalArray.length + expansionFactor if expansionMode is set to ADDITIVE.

expansionMode

ResizableDoubleArray.ExpansionMode expansionMode

Determines whether array expansion by expansionFactor is additive or multiplicative.

internalArray

double[] internalArray

The internal storage array.

numElements

int numElements

The number of addressable elements in the array. Note that this has nothing to do with the length of the internal storage array.

startIndex

int startIndex

The position of the first addressable element in the internal storage array. The addressable elements in the array are internalArray[startIndex],...,internalArray[startIndex + numElements - 1].