Uses of Interface
org.apache.commons.math.analysis.UnivariateRealFunction

Packages that use UnivariateRealFunction

Package	Description
org.apache.commons.math.analysis	Parent package for common numerical analysis procedures, including root finding, function interpolation and integration.
org.apache.commons.math.analysis.integration	Numerical integration (quadrature) algorithms for univariate real functions.
org.apache.commons.math.analysis.interpolation	Univariate real functions interpolation algorithms.
org.apache.commons.math.analysis.polynomials	Univariate real polynomials implementations, seen as differentiable univariate real functions.
org.apache.commons.math.analysis.solvers	Root finding algorithms, for univariate real functions.
org.apache.commons.math.linear	Linear algebra support.
org.apache.commons.math.optimization	This package provides common interfaces for the optimization algorithms provided in sub-packages.
org.apache.commons.math.optimization.fitting	This package provides classes to perform curve fitting.
org.apache.commons.math.optimization.univariate	Univariate real functions minimum finding algorithms.
org.apache.commons.math.transform	Implementations of transform methods, including Fast Fourier transforms.

Uses of UnivariateRealFunction in org.apache.commons.math.analysis

Subinterfaces of UnivariateRealFunction in org.apache.commons.math.analysis

Modifier and Type	Interface	Description
interface	DifferentiableUnivariateRealFunction	Extension of UnivariateRealFunction representing a differentiable univariate real function.

Classes in org.apache.commons.math.analysis that implement UnivariateRealFunction

Modifier and Type	Class	Description
class	ComposableFunction	Base class for UnivariateRealFunction that can be composed with other functions.

Methods in org.apache.commons.math.analysis that return UnivariateRealFunction

Modifier and Type	Method	Description
UnivariateRealFunction	DifferentiableUnivariateRealFunction.derivative()	Returns the derivative of the function

Methods in org.apache.commons.math.analysis with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
ComposableFunction	ComposableFunction.add(UnivariateRealFunction f)	Return a function adding the instance and another function.
ComposableFunction	ComposableFunction.combine(UnivariateRealFunction f, BivariateRealFunction combiner)	Return a function combining the instance and another function.
ComposableFunction	ComposableFunction.divide(UnivariateRealFunction f)	Return a function dividing the instance by another function.
ComposableFunction	ComposableFunction.multiply(UnivariateRealFunction f)	Return a function multiplying the instance and another function.
ComposableFunction	ComposableFunction.of(UnivariateRealFunction f)	Precompose the instance with another function.
ComposableFunction	ComposableFunction.postCompose(UnivariateRealFunction f)	Postcompose the instance with another function.
ComposableFunction	ComposableFunction.subtract(UnivariateRealFunction f)	Return a function subtracting another function from the instance.

Uses of UnivariateRealFunction in org.apache.commons.math.analysis.integration

Fields in org.apache.commons.math.analysis.integration declared as UnivariateRealFunction

Modifier and Type	Field	Description
protected UnivariateRealFunction	UnivariateRealIntegratorImpl.f	Deprecated. as of 2.0 the integrand function is passed as an argument to the UnivariateRealIntegrator.integrate(UnivariateRealFunction, double, double)method.

Methods in org.apache.commons.math.analysis.integration with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
double	LegendreGaussIntegrator.integrate(UnivariateRealFunction f, double min, double max)	Integrate the function in the given interval.
double	RombergIntegrator.integrate(UnivariateRealFunction f, double min, double max)	Integrate the function in the given interval.
double	SimpsonIntegrator.integrate(UnivariateRealFunction f, double min, double max)	Integrate the function in the given interval.
double	TrapezoidIntegrator.integrate(UnivariateRealFunction f, double min, double max)	Integrate the function in the given interval.
double	UnivariateRealIntegrator.integrate(UnivariateRealFunction f, double min, double max)	Integrate the function in the given interval.

Constructors in org.apache.commons.math.analysis.integration with parameters of type UnivariateRealFunction

Constructor	Description
RombergIntegrator(UnivariateRealFunction f)	Deprecated. as of 2.0 the integrand function is passed as an argument to the RombergIntegrator.integrate(UnivariateRealFunction, double, double)method.
SimpsonIntegrator(UnivariateRealFunction f)	Deprecated. as of 2.0 the integrand function is passed as an argument to the SimpsonIntegrator.integrate(UnivariateRealFunction, double, double)method.
TrapezoidIntegrator(UnivariateRealFunction f)	Deprecated. as of 2.0 the integrand function is passed as an argument to the TrapezoidIntegrator.integrate(UnivariateRealFunction, double, double)method.
UnivariateRealIntegratorImpl(UnivariateRealFunction f, int defaultMaximalIterationCount)	Deprecated. as of 2.0 the integrand function is passed as an argument to the UnivariateRealIntegrator.integrate(UnivariateRealFunction, double, double)method.

Uses of UnivariateRealFunction in org.apache.commons.math.analysis.interpolation

Methods in org.apache.commons.math.analysis.interpolation that return UnivariateRealFunction

Modifier and Type	Method	Description
UnivariateRealFunction	UnivariateRealInterpolator.interpolate(double[] xval, double[] yval)	Computes an interpolating function for the data set.

Uses of UnivariateRealFunction in org.apache.commons.math.analysis.polynomials

Classes in org.apache.commons.math.analysis.polynomials that implement UnivariateRealFunction

Modifier and Type	Class	Description
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.

Methods in org.apache.commons.math.analysis.polynomials that return UnivariateRealFunction

Modifier and Type	Method	Description
UnivariateRealFunction	PolynomialFunction.derivative()	Returns the derivative as a UnivariateRealFunction
UnivariateRealFunction	PolynomialSplineFunction.derivative()	Returns the derivative of the polynomial spline function as a UnivariateRealFunction

Uses of UnivariateRealFunction in org.apache.commons.math.analysis.solvers

Fields in org.apache.commons.math.analysis.solvers declared as UnivariateRealFunction

Modifier and Type	Field	Description
protected UnivariateRealFunction	UnivariateRealSolverImpl.f	Deprecated. as of 2.0 the function to solve is passed as an argument to the UnivariateRealSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.

Methods in org.apache.commons.math.analysis.solvers with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
static double[]	UnivariateRealSolverUtils.bracket(UnivariateRealFunction 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[]	UnivariateRealSolverUtils.bracket(UnivariateRealFunction 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.
protected boolean	UnivariateRealSolverImpl.isBracketing(double lower, double upper, UnivariateRealFunction function)	Deprecated. Returns true iff the function takes opposite signs at the endpoints.
double	BisectionSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Solve for a zero root in the given interval.
double	BisectionSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double initial)	Solve for a zero in the given interval, start at startValue.
double	BisectionSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	BisectionSolver.solve(UnivariateRealFunction f, double min, double max, double initial)	Deprecated. in 2.2 (to be removed in 3.0).
double	BrentSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Find a zero in the given interval.
double	BrentSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double initial)	Find a zero in the given interval with an initial guess.
double	BrentSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	BrentSolver.solve(UnivariateRealFunction f, double min, double max, double initial)	Deprecated. in 2.2 (to be removed in 3.0).
double	LaguerreSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Find a real root in the given interval.
double	LaguerreSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double initial)	Find a real root in the given interval with initial value.
double	LaguerreSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	LaguerreSolver.solve(UnivariateRealFunction f, double min, double max, double initial)	Deprecated. in 2.2 (to be removed in 3.0).
double	MullerSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Find a real root in the given interval.
double	MullerSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double initial)	Find a real root in the given interval with initial value.
double	MullerSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	MullerSolver.solve(UnivariateRealFunction f, double min, double max, double initial)	Deprecated. in 2.2 (to be removed in 3.0).
double	NewtonSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Find a zero near the midpoint of min and max.
double	NewtonSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double startValue)	Find a zero near the value startValue.
double	NewtonSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	NewtonSolver.solve(UnivariateRealFunction f, double min, double max, double startValue)	Deprecated. in 2.2 (to be removed in 3.0).
double	RiddersSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Find a root in the given interval.
double	RiddersSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double initial)	Find a root in the given interval with initial value.
double	RiddersSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	RiddersSolver.solve(UnivariateRealFunction f, double min, double max, double initial)	Deprecated. in 2.2 (to be removed in 3.0).
double	SecantSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max)	Find a zero in the given interval.
double	SecantSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double initial)	Find a zero in the given interval.
double	SecantSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	SecantSolver.solve(UnivariateRealFunction f, double min, double max, double initial)	Deprecated. in 2.2 (to be removed in 3.0).
double	UnivariateRealSolver.solve(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
double	UnivariateRealSolver.solve(UnivariateRealFunction f, double min, double max, double startValue)	Deprecated. in 2.2 (to be removed in 3.0).
double	UnivariateRealSolverImpl.solve(int maxEval, UnivariateRealFunction function, double min, double max)	Deprecated. Solve for a zero root in the given interval.
double	UnivariateRealSolverImpl.solve(int maxEval, UnivariateRealFunction function, double min, double max, double startValue)	Deprecated. Solve for a zero in the given interval, start at startValue.
static double	UnivariateRealSolverUtils.solve(UnivariateRealFunction f, double x0, double x1)	Convenience method to find a zero of a univariate real function.
static double	UnivariateRealSolverUtils.solve(UnivariateRealFunction f, double x0, double x1, double absoluteAccuracy)	Convenience method to find a zero of a univariate real function.
double	MullerSolver.solve2(UnivariateRealFunction f, double min, double max)	Deprecated. in 2.2 (to be removed in 3.0).
protected void	UnivariateRealSolverImpl.verifyBracketing(double lower, double upper, UnivariateRealFunction function)	Deprecated. Verifies that the endpoints specify an interval and the function takes opposite signs at the endpoints, throws IllegalArgumentException if not

Constructors in org.apache.commons.math.analysis.solvers with parameters of type UnivariateRealFunction

Constructor	Description
BisectionSolver(UnivariateRealFunction f)	Deprecated. as of 2.0 the function to solve is passed as an argument to the BisectionSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.
BrentSolver(UnivariateRealFunction f)	Deprecated. as of 2.0 the function to solve is passed as an argument to the BrentSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.
LaguerreSolver(UnivariateRealFunction f)	Deprecated. as of 2.0 the function to solve is passed as an argument to the LaguerreSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.
MullerSolver(UnivariateRealFunction f)	Deprecated. as of 2.0 the function to solve is passed as an argument to the MullerSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.
RiddersSolver(UnivariateRealFunction f)	Deprecated. as of 2.0 the function to solve is passed as an argument to the RiddersSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.
SecantSolver(UnivariateRealFunction f)	Deprecated. as of 2.0 the function to solve is passed as an argument to the SecantSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.
UnivariateRealSolverImpl(UnivariateRealFunction f, int defaultMaximalIterationCount, double defaultAbsoluteAccuracy)	Deprecated. as of 2.0 the function to solve is passed as an argument to the UnivariateRealSolver.solve(UnivariateRealFunction, double, double) or UnivariateRealSolver.solve(UnivariateRealFunction, double, double, double) method.

Uses of UnivariateRealFunction in org.apache.commons.math.linear

Methods in org.apache.commons.math.linear with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
RealVector	AbstractRealVector.map(UnivariateRealFunction function)	Acts as if implemented as:
RealVector	RealVector.map(UnivariateRealFunction function)	Acts as if implemented as:
RealVector	AbstractRealVector.mapToSelf(UnivariateRealFunction function)	Acts as if it is implemented as:
RealVector	RealVector.mapToSelf(UnivariateRealFunction function)	Acts as if it is implemented as:

Uses of UnivariateRealFunction in org.apache.commons.math.optimization

Methods in org.apache.commons.math.optimization with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
double	MultiStartUnivariateRealOptimizer.optimize(UnivariateRealFunction f, GoalType goalType, double min, double max)	Find an optimum in the given interval.
double	MultiStartUnivariateRealOptimizer.optimize(UnivariateRealFunction f, GoalType goalType, double min, double max, double startValue)	Find an optimum in the given interval, start at startValue.
double	UnivariateRealOptimizer.optimize(UnivariateRealFunction f, GoalType goalType, double min, double max)	Find an optimum in the given interval.
double	UnivariateRealOptimizer.optimize(UnivariateRealFunction f, GoalType goalType, double min, double max, double startValue)	Find an optimum in the given interval, start at startValue.

Uses of UnivariateRealFunction in org.apache.commons.math.optimization.fitting

Classes in org.apache.commons.math.optimization.fitting that implement UnivariateRealFunction

Modifier and Type	Class	Description
class	GaussianDerivativeFunction	The derivative of GaussianFunction.
class	GaussianFunction	A Gaussian function.
class	HarmonicFunction	Harmonic function of the form f (t) = a cos (ω t + φ).

Methods in org.apache.commons.math.optimization.fitting that return UnivariateRealFunction

Modifier and Type	Method	Description
UnivariateRealFunction	GaussianFunction.derivative()	Returns the derivative of the function

Uses of UnivariateRealFunction in org.apache.commons.math.optimization.univariate

Methods in org.apache.commons.math.optimization.univariate with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
protected double	AbstractUnivariateRealOptimizer.computeObjectiveValue(UnivariateRealFunction f, double point)	Deprecated. in 2.2.
double	AbstractUnivariateRealOptimizer.optimize(UnivariateRealFunction f, GoalType goal, double min, double max)	Find an optimum in the given interval.
double	AbstractUnivariateRealOptimizer.optimize(UnivariateRealFunction f, GoalType goal, double min, double max, double startValue)	Find an optimum in the given interval, start at startValue.
void	BracketFinder.search(UnivariateRealFunction func, GoalType goal, double xA, double xB)	Search new points that bracket a local optimum of the function.

Uses of UnivariateRealFunction in org.apache.commons.math.transform

Methods in org.apache.commons.math.transform with parameters of type UnivariateRealFunction

Modifier and Type	Method	Description
double[]	FastCosineTransformer.inversetransform(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
Complex[]	FastFourierTransformer.inversetransform(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
double[]	FastHadamardTransformer.inversetransform(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
double[]	FastSineTransformer.inversetransform(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
double[]	RealTransformer.inversetransform(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
double[]	FastCosineTransformer.inversetransform2(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
Complex[]	FastFourierTransformer.inversetransform2(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
double[]	FastSineTransformer.inversetransform2(UnivariateRealFunction f, double min, double max, int n)	Inversely transform the given real function, sampled on the given interval.
static double[]	FastFourierTransformer.sample(UnivariateRealFunction f, double min, double max, int n)	Sample the given univariate real function on the given interval.
double[]	FastCosineTransformer.transform(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
Complex[]	FastFourierTransformer.transform(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
double[]	FastHadamardTransformer.transform(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
double[]	FastSineTransformer.transform(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
double[]	RealTransformer.transform(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
double[]	FastCosineTransformer.transform2(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
Complex[]	FastFourierTransformer.transform2(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.
double[]	FastSineTransformer.transform2(UnivariateRealFunction f, double min, double max, int n)	Transform the given real function, sampled on the given interval.