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

Packages that use UnivariateRealFunction

org.apache.commons.math.analysis	Parent package for common numerical analysis procedures, including root finding, function interpolation and integration.
org.apache.commons.math.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.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.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

interface

DifferentiableUnivariateRealFunction Extension of UnivariateRealFunction representing a differentiable univariate real function.

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

static UnivariateRealFunction	FunctionUtils.add(UnivariateRealFunction... f) Add functions.
static UnivariateRealFunction	FunctionUtils.combine(BivariateRealFunction combiner, UnivariateRealFunction f, UnivariateRealFunction g) Returns the univariate function h(x) = combiner(f(x), g(x)).
static UnivariateRealFunction	FunctionUtils.compose(UnivariateRealFunction... f) Compose functions.
UnivariateRealFunction	DifferentiableUnivariateRealFunction.derivative() Returns the derivative of the function
static UnivariateRealFunction	FunctionUtils.fix1stArgument(BivariateRealFunction f, double fixed) Create a unary function by fixing the first argument of a binary function.
static UnivariateRealFunction	FunctionUtils.fix2ndArgument(BivariateRealFunction f, double fixed) Create a unary function by fixing the second argument of a binary function.
static UnivariateRealFunction	FunctionUtils.multiply(UnivariateRealFunction... f) Multiply functions.

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

static UnivariateRealFunction	FunctionUtils.add(UnivariateRealFunction... f) Add functions.
static MultivariateRealFunction	FunctionUtils.collector(BivariateRealFunction combiner, UnivariateRealFunction f, double initialValue) Returns a MultivariateRealFunction h(x[]) defined by h(x[]) = combiner(...combiner(combiner(initialValue,f(x[0])),f(x[1]))...)
static UnivariateRealFunction	FunctionUtils.combine(BivariateRealFunction combiner, UnivariateRealFunction f, UnivariateRealFunction g) Returns the univariate function h(x) = combiner(f(x), g(x)).
static UnivariateRealFunction	FunctionUtils.compose(UnivariateRealFunction... f) Compose functions.
static UnivariateRealFunction	FunctionUtils.multiply(UnivariateRealFunction... f) Multiply functions.

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

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

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 sinc(x) = 1 if x = 0, sin(x) / x otherwise.
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.math.analysis.function that return UnivariateRealFunction

UnivariateRealFunction	Tanh.derivative() Returns the derivative of the function
UnivariateRealFunction	Tan.derivative() Returns the derivative of the function
UnivariateRealFunction	Sqrt.derivative() Returns the derivative of the function
UnivariateRealFunction	Sinc.derivative() Returns the derivative of the function
UnivariateRealFunction	Sigmoid.derivative() Returns the derivative of the function
UnivariateRealFunction	Power.derivative() Returns the derivative of the function
UnivariateRealFunction	Logit.derivative() Returns the derivative of the function
UnivariateRealFunction	Logistic.derivative() Returns the derivative of the function
UnivariateRealFunction	Log1p.derivative() Returns the derivative of the function
UnivariateRealFunction	Log10.derivative() Returns the derivative of the function
UnivariateRealFunction	Log.derivative() Returns the derivative of the function
UnivariateRealFunction	Inverse.derivative() Returns the derivative of the function
UnivariateRealFunction	HarmonicOscillator.derivative() Returns the derivative of the function
UnivariateRealFunction	Gaussian.derivative() Returns the derivative of the function
UnivariateRealFunction	Expm1.derivative() Returns the derivative of the function
UnivariateRealFunction	Exp.derivative() Returns the derivative of the function
UnivariateRealFunction	Cos.derivative() Returns the derivative of the function
UnivariateRealFunction	Cbrt.derivative() Returns the derivative of the function
UnivariateRealFunction	Atanh.derivative() Returns the derivative of the function
UnivariateRealFunction	Atan.derivative() Returns the derivative of the function
UnivariateRealFunction	Asinh.derivative() Returns the derivative of the function
UnivariateRealFunction	Asin.derivative() Returns the derivative of the function
UnivariateRealFunction	Acosh.derivative() Returns the derivative of the function
UnivariateRealFunction	Acos.derivative() Returns the derivative of the function

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

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

protected UnivariateRealFunction

UnivariateRealIntegratorImpl.function Function to integrate.

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

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

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

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

UnivariateRealFunction	UnivariateRealPeriodicInterpolator.interpolate(double[] xval, double[] yval) Compute an interpolating function for the dataset.
UnivariateRealFunction	UnivariateRealInterpolator.interpolate(double[] xval, double[] yval) Compute an interpolating function for the dataset.

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

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

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

UnivariateRealFunction	PolynomialSplineFunction.derivative() Get the derivative of the polynomial spline function.
UnivariateRealFunction	PolynomialFunction.derivative() Returns the derivative as a UnivariateRealFunction.

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

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

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

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

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.
static double	UnivariateRealSolverUtils.forceSide(int maxEval, UnivariateRealFunction f, BracketedUnivariateRealSolver<UnivariateRealFunction> 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	UnivariateRealSolverUtils.isBracketing(UnivariateRealFunction function, double lower, double upper) Check whether the interval bounds bracket a root.
double	BracketingNthOrderBrentSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, AllowedSolution allowedSolution) Solve for a zero in the given interval.
double	BaseSecantSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, AllowedSolution allowedSolution) Solve for a zero in the given interval.
double	BaseSecantSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double startValue) Solve for a zero in the given interval, start at startValue.
double	BracketingNthOrderBrentSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double startValue, AllowedSolution allowedSolution) Solve for a zero in the given interval, start at startValue.
double	BaseSecantSolver.solve(int maxEval, UnivariateRealFunction f, double min, double max, double startValue, AllowedSolution allowedSolution) Solve for a zero in the given interval, start at startValue.
static double	UnivariateRealSolverUtils.solve(UnivariateRealFunction function, double x0, double x1) Convenience method to find a zero of a univariate real function.
static double	UnivariateRealSolverUtils.solve(UnivariateRealFunction function, double x0, double x1, double absoluteAccuracy) Convenience method to find a zero of a univariate real function.
static void	UnivariateRealSolverUtils.verifyBracketing(UnivariateRealFunction 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.math.analysis.solvers with type arguments of type UnivariateRealFunction

static double

UnivariateRealSolverUtils.forceSide(int maxEval, UnivariateRealFunction f, BracketedUnivariateRealSolver<UnivariateRealFunction> 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 UnivariateRealFunction in org.apache.commons.math.linear

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

RealVector	RealVector.map(UnivariateRealFunction function) Acts as if implemented as: return copy().mapToSelf(function); Returns a new vector.
ArrayRealVector	ArrayRealVector.map(UnivariateRealFunction function) Acts as if implemented as: return copy().mapToSelf(function); Returns a new vector.
RealVector	RealVector.mapToSelf(UnivariateRealFunction function) Acts as if it is implemented as: Entry e = null; for(Iterator it = iterator(); it.hasNext(); e = it.next()) { e.setValue(function.value(e.getValue())); } Entries of this vector are modified in-place by this method.
ArrayRealVector	ArrayRealVector.mapToSelf(UnivariateRealFunction function) Acts as if it is implemented as: Entry e = null; for(Iterator it = iterator(); it.hasNext(); e = it.next()) { e.setValue(function.value(e.getValue())); } Entries of this vector are modified in-place by this method.

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

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

interface	BaseUnivariateRealOptimizer<FUNC extends UnivariateRealFunction> This interface is mainly intended to enforce the internal coherence of Commons-Math.
class	MultiStartUnivariateRealOptimizer<FUNC extends UnivariateRealFunction> Special implementation of the UnivariateRealOptimizer interface adding multi-start features to an existing optimizer.

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

UnivariateRealPointValuePair	AbstractUnivariateRealOptimizer.optimize(int maxEval, UnivariateRealFunction f, GoalType goalType, double min, double max) Find an optimum in the given interval.
UnivariateRealPointValuePair	AbstractUnivariateRealOptimizer.optimize(int maxEval, UnivariateRealFunction f, GoalType goalType, 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

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