Uses of Interface
org.apache.commons.math3.analysis.UnivariateFunction

Packages that use UnivariateFunction

org.apache.commons.math3.analysis	Parent package for common numerical analysis procedures, including root finding, function interpolation and integration.
org.apache.commons.math3.analysis.differentiation	This package holds the main interfaces and basic building block classes dealing with differentiation.
org.apache.commons.math3.analysis.function	The function package contains function objects that wrap the methods contained in Math, as well as common mathematical functions such as the gaussian and sinc functions.
org.apache.commons.math3.analysis.integration	Numerical integration (quadrature) algorithms for univariate real functions.
org.apache.commons.math3.analysis.integration.gauss	Gauss family of quadrature schemes.
org.apache.commons.math3.analysis.interpolation	Univariate real functions interpolation algorithms.
org.apache.commons.math3.analysis.polynomials	Univariate real polynomials implementations, seen as differentiable univariate real functions.
org.apache.commons.math3.analysis.solvers	Root finding algorithms, for univariate real functions.
org.apache.commons.math3.linear	Linear algebra support.
org.apache.commons.math3.optim.univariate	One-dimensional optimization algorithms.
org.apache.commons.math3.optimization.univariate	Univariate real functions minimum finding algorithms.
org.apache.commons.math3.transform	Implementations of transform methods, including Fast Fourier transforms.

Uses of UnivariateFunction in org.apache.commons.math3.analysis

Subinterfaces of UnivariateFunction in org.apache.commons.math3.analysis

interface	DifferentiableIntegrableUnivariateFunction Extension of UnivariateFunction representing a differentiable and integrable univariate real function.
interface	DifferentiableUnivariateFunction Deprecated. as of 3.1 replaced by UnivariateDifferentiableFunction
interface	IntegrableUnivariateFunction Extension of UnivariateFunction representing an integrable univariate real function.

Methods in org.apache.commons.math3.analysis that return UnivariateFunction

static UnivariateFunction	FunctionUtils.add(UnivariateFunction... f) Adds functions.
static UnivariateFunction	FunctionUtils.combine(BivariateFunction combiner, UnivariateFunction f, UnivariateFunction g) Returns the univariate function h(x) = combiner(f(x), g(x)).
static UnivariateFunction	FunctionUtils.compose(UnivariateFunction... f) Composes functions.
UnivariateFunction	DifferentiableUnivariateFunction.derivative() Deprecated. Returns the derivative of the function
static UnivariateFunction	FunctionUtils.fix1stArgument(BivariateFunction f, double fixed) Creates a unary function by fixing the first argument of a binary function.
static UnivariateFunction	FunctionUtils.fix2ndArgument(BivariateFunction f, double fixed) Creates a unary function by fixing the second argument of a binary function.
static UnivariateFunction	FunctionUtils.multiply(UnivariateFunction... f) Multiplies functions.
UnivariateFunction	IntegrableUnivariateFunction.primitive() Returns the primitive of the function

Methods in org.apache.commons.math3.analysis with parameters of type UnivariateFunction

static UnivariateFunction	FunctionUtils.add(UnivariateFunction... f) Adds functions.
static MultivariateFunction	FunctionUtils.collector(BivariateFunction combiner, UnivariateFunction f, double initialValue) Returns a MultivariateFunction h(x[]) defined by
static UnivariateFunction	FunctionUtils.combine(BivariateFunction combiner, UnivariateFunction f, UnivariateFunction g) Returns the univariate function h(x) = combiner(f(x), g(x)).
static UnivariateFunction	FunctionUtils.compose(UnivariateFunction... f) Composes functions.
static UnivariateFunction	FunctionUtils.multiply(UnivariateFunction... f) Multiplies functions.
static double[]	FunctionUtils.sample(UnivariateFunction f, double min, double max, int n) Samples the specified univariate real function on the specified interval.

Uses of UnivariateFunction in org.apache.commons.math3.analysis.differentiation

Subinterfaces of UnivariateFunction in org.apache.commons.math3.analysis.differentiation

interface

UnivariateDifferentiableFunction Interface for univariate functions derivatives.

Methods in org.apache.commons.math3.analysis.differentiation with parameters of type UnivariateFunction

double	RiddersDifferentiator.differentiate(double x, UnivariateFunction f) Differentiates a UnivariateFunction on a single point using the Ridders method.
UnivariateDifferentiableFunction	UnivariateFunctionDifferentiator.differentiate(UnivariateFunction function) Create an implementation of a differential from a regular function.
UnivariateDifferentiableFunction	RiddersDifferentiator.differentiate(UnivariateFunction function) Create an implementation of a differential from a regular function.
UnivariateDifferentiableFunction	FiniteDifferencesDifferentiator.differentiate(UnivariateFunction function) Create an implementation of a differential from a regular function.

Uses of UnivariateFunction in org.apache.commons.math3.analysis.function

Classes in org.apache.commons.math3.analysis.function that implement UnivariateFunction

class	Abs Absolute value function.
class	Acos Arc-cosine function.
class	Acosh Hyperbolic arc-cosine function.
class	Asin Arc-sine function.
class	Asinh Hyperbolic arc-sine function.
class	Atan Arc-tangent function.
class	Atanh Hyperbolic arc-tangent function.
class	Cbrt Cube root function.
class	Ceil ceil function.
class	Constant Constant function.
class	Cos Cosine function.
class	Cosh Hyperbolic cosine function.
class	Exp Exponential function.
class	Expm1 ex-1 function.
class	Floor floor function.
class	Gaussian Gaussian function.
class	HarmonicOscillator simple harmonic oscillator function.
class	Identity Identity function.
class	Inverse Inverse function.
class	Log Natural logarithm function.
class	Log10 Base 10 logarithm function.
class	Log1p log(1 + p) function.
class	Logistic Generalised logistic function.
class	Logit Logit function.
class	Minus Minus function.
class	Power Power function.
class	Rint rint function.
class	Sigmoid Sigmoid function.
class	Signum signum function.
class	Sin Sine function.
class	Sinc Sinc function, defined by
class	Sinh Hyperbolic sine function.
class	Sqrt Square-root function.
class	StepFunction Step function.
class	Tan Tangent function.
class	Tanh Hyperbolic tangent function.
class	Ulp ulp function.

Methods in org.apache.commons.math3.analysis.function that return UnivariateFunction

UnivariateFunction	Asin.derivative() Deprecated. as of 3.1, replaced by Asin.value(DerivativeStructure)
UnivariateFunction	Cbrt.derivative() Deprecated. as of 3.1, replaced by Cbrt.value(DerivativeStructure)
UnivariateFunction	Log10.derivative() Deprecated. as of 3.1, replaced by Log10.value(DerivativeStructure)
UnivariateFunction	Acos.derivative() Deprecated. as of 3.1, replaced by Acos.value(DerivativeStructure)
UnivariateFunction	Exp.derivative() Deprecated. as of 3.1, replaced by Exp.value(DerivativeStructure)
UnivariateFunction	Atanh.derivative() Deprecated. as of 3.1, replaced by Atanh.value(DerivativeStructure)
UnivariateFunction	Tan.derivative() Deprecated. as of 3.1, replaced by Tan.value(DerivativeStructure)
UnivariateFunction	Sinc.derivative() Deprecated. as of 3.1, replaced by Sinc.value(DerivativeStructure)
UnivariateFunction	Logistic.derivative() Deprecated. as of 3.1, replaced by Logistic.value(DerivativeStructure)
UnivariateFunction	Log.derivative() Deprecated. as of 3.1, replaced by Log.value(DerivativeStructure)
UnivariateFunction	Tanh.derivative() Deprecated. as of 3.1, replaced by Tanh.value(DerivativeStructure)
UnivariateFunction	Power.derivative() Deprecated. as of 3.1, replaced by Power.value(DerivativeStructure)
UnivariateFunction	Log1p.derivative() Deprecated. as of 3.1, replaced by Log1p.value(DerivativeStructure)
UnivariateFunction	Cos.derivative() Deprecated. as of 3.1, replaced by Cos.value(DerivativeStructure)
UnivariateFunction	Sigmoid.derivative() Deprecated. as of 3.1, replaced by Sigmoid.value(DerivativeStructure)
UnivariateFunction	Logit.derivative() Deprecated. as of 3.1, replaced by Logit.value(DerivativeStructure)
UnivariateFunction	Asinh.derivative() Deprecated. as of 3.1, replaced by Asinh.value(DerivativeStructure)
UnivariateFunction	Gaussian.derivative() Deprecated. as of 3.1, replaced by Gaussian.value(DerivativeStructure)
UnivariateFunction	Acosh.derivative() Deprecated. as of 3.1, replaced by Acosh.value(DerivativeStructure)
UnivariateFunction	Sqrt.derivative() Deprecated. as of 3.1, replaced by Sqrt.value(DerivativeStructure)
UnivariateFunction	Inverse.derivative() Deprecated. as of 3.1, replaced by Inverse.value(DerivativeStructure)
UnivariateFunction	Atan.derivative() Deprecated. as of 3.1, replaced by Atan.value(DerivativeStructure)
UnivariateFunction	HarmonicOscillator.derivative() Deprecated. as of 3.1, replaced by HarmonicOscillator.value(DerivativeStructure)
UnivariateFunction	Expm1.derivative() Deprecated. as of 3.1, replaced by Expm1.value(DerivativeStructure)

Uses of UnivariateFunction in org.apache.commons.math3.analysis.integration

Methods in org.apache.commons.math3.analysis.integration with parameters of type UnivariateFunction

double	UnivariateIntegrator.integrate(int maxEval, UnivariateFunction f, double min, double max) Integrate the function in the given interval.
double	BaseAbstractUnivariateIntegrator.integrate(int maxEval, UnivariateFunction f, double lower, double upper) Integrate the function in the given interval.
protected void	BaseAbstractUnivariateIntegrator.setup(int maxEval, UnivariateFunction f, double lower, double upper) Prepare for computation.

Uses of UnivariateFunction in org.apache.commons.math3.analysis.integration.gauss

Methods in org.apache.commons.math3.analysis.integration.gauss with parameters of type UnivariateFunction

double

GaussIntegrator.integrate(UnivariateFunction f) Returns an estimate of the integral of f(x) * w(x), where w is a weight function that depends on the actual flavor of the Gauss integration scheme.

Uses of UnivariateFunction in org.apache.commons.math3.analysis.interpolation

Classes in org.apache.commons.math3.analysis.interpolation that implement UnivariateFunction

class

UniLinearIntervalsFunction Implements the representation of a linear function in dimension 1.

Methods in org.apache.commons.math3.analysis.interpolation that return UnivariateFunction

UnivariateFunction	UnivariateInterpolator.interpolate(double[] xval, double[] yval) Compute an interpolating function for the dataset.
UnivariateFunction	UnivariatePeriodicInterpolator.interpolate(double[] xval, double[] yval) Compute an interpolating function for the dataset.

Uses of UnivariateFunction in org.apache.commons.math3.analysis.polynomials

Classes in org.apache.commons.math3.analysis.polynomials that implement UnivariateFunction

class	FourierSeries This class represents a finite Fourier Series
class	PolynomialFunction Immutable representation of a real polynomial function with real coefficients.
class	PolynomialFunctionLagrangeForm Implements the representation of a real polynomial function in Lagrange Form.
class	PolynomialFunctionNewtonForm Implements the representation of a real polynomial function in Newton Form.
class	PolynomialSplineFunction Represents a polynomial spline function.
class	TrigonometricPolynomialFunction This class is the Trigonometric Polynomial Function class.
class	TrigonometricPolynomialPrimitive This class represents a trigonometric polynomial primitive.

Methods in org.apache.commons.math3.analysis.polynomials that return UnivariateFunction

static UnivariateFunction	ElementaryMultiplicationTypes.componentProvider(ElementaryMultiplicationTypes.ElementaryType intermediateType, int intermediateOrder, double period) This method provides the UnivariateFunction cos(intermediateOrder * omega * x) or sin
UnivariateFunction	PolynomialFunction.derivative() Returns the derivative as a UnivariateFunction.
UnivariateFunction	FourierSeries.derivative() Compute and return derivative of polynomial
UnivariateFunction	TrigonometricPolynomialPrimitive.derivative() Get first order derivative
UnivariateFunction	TrigonometricPolynomialFunction.derivative() Compute and return derivative of polynomial
UnivariateFunction	PolynomialSplineFunction.derivative() Get the derivative of the polynomial spline function.
UnivariateFunction	FourierSeries.derivative(int n) Compute and return nth derivative of polynomial
UnivariateFunction	TrigonometricPolynomialPrimitive.derivative(int n) Get nth order derivative
UnivariateFunction	TrigonometricPolynomialFunction.derivative(int n) Compute and return nth derivative of polynomial
UnivariateFunction	FourierSeriesApproximation.getFunction()
UnivariateFunction	FourierSeries.primitive() Get primitive of TrigonometricPolynomialFunction
UnivariateFunction	TrigonometricPolynomialFunction.primitive() Get primitive of TrigonometricPolynomialFunction

Methods in org.apache.commons.math3.analysis.polynomials with parameters of type UnivariateFunction

void	FourierDecompositionEngine.setFunction(UnivariateFunction function, double period) Set the UnivariateFunction to decompose and its period.

Constructors in org.apache.commons.math3.analysis.polynomials with parameters of type UnivariateFunction

FourierSeriesApproximation(UnivariateFunction fun, FourierSeries fou)
Constructor.

Uses of UnivariateFunction in org.apache.commons.math3.analysis.solvers

Classes in org.apache.commons.math3.analysis.solvers with type parameters of type UnivariateFunction

class	BaseAbstractUnivariateSolver<FUNC extends UnivariateFunction> Provide a default implementation for several functions useful to generic solvers.
interface	BaseUnivariateSolver<FUNC extends UnivariateFunction> Interface for (univariate real) rootfinding algorithms.
interface	BracketedUnivariateSolver<FUNC extends UnivariateFunction> Interface for (univariate real) root-finding algorithms that maintain a bracketed solution.

Methods in org.apache.commons.math3.analysis.solvers with parameters of type UnivariateFunction

static double[]	UnivariateSolverUtils.bracket(UnivariateFunction function, double initial, double lowerBound, double upperBound) This method attempts to find two values a and b satisfying lowerBound <= a < initial < b <= upperBound f(a) * f(b) < 0 If f is continuous on [a,b], this means that a and b bracket a root of f.
static double[]	UnivariateSolverUtils.bracket(UnivariateFunction function, double initial, double lowerBound, double upperBound, int maximumIterations) This method attempts to find two values a and b satisfying lowerBound <= a < initial < b <= upperBound f(a) * f(b) <= 0 If f is continuous on [a,b], this means that a and b bracket a root of f.
static double	UnivariateSolverUtils.forceSide(int maxEval, UnivariateFunction f, BracketedUnivariateSolver<UnivariateFunction> bracketing, double baseRoot, double min, double max, AllowedSolution allowedSolution) Force a root found by a non-bracketing solver to lie on a specified side, as if the solver was a bracketing one.
static boolean	UnivariateSolverUtils.isBracketing(UnivariateFunction function, double lower, double upper) Check whether the interval bounds bracket a root.
double	BaseSecantSolver.solve(int maxEval, UnivariateFunction f, double min, double max, AllowedSolution allowedSolution) Solve for a zero in the given interval.
double	BracketingNthOrderBrentSolver.solve(int maxEval, UnivariateFunction f, double min, double max, AllowedSolution allowedSolution) Solve for a zero in the given interval.
double	BaseSecantSolver.solve(int maxEval, UnivariateFunction f, double min, double max, double startValue) Solve for a zero in the given interval, start at startValue.
double	BaseSecantSolver.solve(int maxEval, UnivariateFunction f, double min, double max, double startValue, AllowedSolution allowedSolution) Solve for a zero in the given interval, start at startValue.
double	BracketingNthOrderBrentSolver.solve(int maxEval, UnivariateFunction f, double min, double max, double startValue, AllowedSolution allowedSolution) Solve for a zero in the given interval, start at startValue.
static double	UnivariateSolverUtils.solve(UnivariateFunction function, double x0, double x1) Convenience method to find a zero of a univariate real function.
static double	UnivariateSolverUtils.solve(UnivariateFunction function, double x0, double x1, double absoluteAccuracy) Convenience method to find a zero of a univariate real function.
static void	UnivariateSolverUtils.verifyBracketing(UnivariateFunction function, double lower, double upper) Check that the endpoints specify an interval and the end points bracket a root.

Method parameters in org.apache.commons.math3.analysis.solvers with type arguments of type UnivariateFunction

static double

UnivariateSolverUtils.forceSide(int maxEval, UnivariateFunction f, BracketedUnivariateSolver<UnivariateFunction> bracketing, double baseRoot, double min, double max, AllowedSolution allowedSolution) Force a root found by a non-bracketing solver to lie on a specified side, as if the solver was a bracketing one.

Uses of UnivariateFunction in org.apache.commons.math3.linear

Methods in org.apache.commons.math3.linear with parameters of type UnivariateFunction

RealVector	RealVector.map(UnivariateFunction function) Acts as if implemented as:
ArrayRealVector	ArrayRealVector.map(UnivariateFunction function) Acts as if implemented as:
RealVector	RealVector.mapToSelf(UnivariateFunction function) Acts as if it is implemented as:
ArrayRealVector	ArrayRealVector.mapToSelf(UnivariateFunction function) Acts as if it is implemented as:

Uses of UnivariateFunction in org.apache.commons.math3.optim.univariate

Methods in org.apache.commons.math3.optim.univariate that return UnivariateFunction

UnivariateFunction

UnivariateObjectiveFunction.getObjectiveFunction() Gets the function to be optimized.

Methods in org.apache.commons.math3.optim.univariate with parameters of type UnivariateFunction

void	BracketFinder.search(UnivariateFunction func, GoalType goal, double xA, double xB) Search new points that bracket a local optimum of the function.

Constructors in org.apache.commons.math3.optim.univariate with parameters of type UnivariateFunction

UnivariateObjectiveFunction(UnivariateFunction f)

Uses of UnivariateFunction in org.apache.commons.math3.optimization.univariate

Classes in org.apache.commons.math3.optimization.univariate with type parameters of type UnivariateFunction

interface	BaseUnivariateOptimizer<FUNC extends UnivariateFunction> Deprecated. As of 3.1 (to be removed in 4.0).
class	UnivariateMultiStartOptimizer<FUNC extends UnivariateFunction> Deprecated. As of 3.1 (to be removed in 4.0).

Methods in org.apache.commons.math3.optimization.univariate with parameters of type UnivariateFunction

UnivariatePointValuePair	BaseAbstractUnivariateOptimizer.optimize(int maxEval, UnivariateFunction f, GoalType goalType, double min, double max) Deprecated. Find an optimum in the given interval.
UnivariatePointValuePair	BaseAbstractUnivariateOptimizer.optimize(int maxEval, UnivariateFunction f, GoalType goalType, double min, double max, double startValue) Deprecated. Find an optimum in the given interval, start at startValue.
void	BracketFinder.search(UnivariateFunction func, GoalType goal, double xA, double xB) Deprecated. Search new points that bracket a local optimum of the function.

Uses of UnivariateFunction in org.apache.commons.math3.transform

Methods in org.apache.commons.math3.transform with parameters of type UnivariateFunction

double[]	RealTransformer.transform(UnivariateFunction f, double min, double max, int n, TransformType type) Returns the (forward, inverse) transform of the specified real function, sampled on the specified interval.
double[]	FastSineTransformer.transform(UnivariateFunction f, double min, double max, int n, TransformType type) Returns the (forward, inverse) transform of the specified real function, sampled on the specified interval.
double[]	FastCosineTransformer.transform(UnivariateFunction f, double min, double max, int n, TransformType type) Returns the (forward, inverse) transform of the specified real function, sampled on the specified interval.
double[]	FastHadamardTransformer.transform(UnivariateFunction f, double min, double max, int n, TransformType type) Returns the (forward, inverse) transform of the specified real function, sampled on the specified interval.
Complex[]	AbstractFastFourierTransformer.transform(UnivariateFunction f, double min, double max, int n, TransformType type) Returns the (forward, inverse) transform of the specified real function, sampled on the specified interval.
Complex[]	IFastFourierTransformer.transform(UnivariateFunction f, double min, double max, int n, TransformType type) Returns the (forward, inverse) transform of the specified real function, sampled on the specified interval.