Uses of Interface
com.opengamma.strata.math.impl.function.DoubleFunction1D

Packages that use DoubleFunction1D

Package	Description
com.opengamma.strata.math.impl.function
com.opengamma.strata.math.impl.function.special
com.opengamma.strata.math.impl.rootfinding

Uses of DoubleFunction1D in com.opengamma.strata.math.impl.function

Classes in com.opengamma.strata.math.impl.function that implement DoubleFunction1D

Modifier and Type	Class and Description
class	RealPolynomialFunction1D Class representing a polynomial that has real coefficients and takes a real argument.

Methods in com.opengamma.strata.math.impl.function that return DoubleFunction1D

Modifier and Type	Method and Description
default DoubleFunction1D	DoubleFunction1D.add(double a) For a DoubleFunction1D $g(x)$, adding a constant $a$ returns the function $h(x) = g(x) + a$.
DoubleFunction1D	RealPolynomialFunction1D.add(DoubleFunction1D f) Adds a function to the polynomial.
default DoubleFunction1D	DoubleFunction1D.add(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, adding a function $f(x)$ returns the function $h(x) = f(x) + g(x)$.
default DoubleFunction1D	DoubleFunction1D.derivative() Returns a function that calculates the first derivative.
default DoubleFunction1D	DoubleFunction1D.derivative(FiniteDifferenceType differenceType, double eps) Returns a function that calculates the first derivative.
default DoubleFunction1D	DoubleFunction1D.divide(double a) For a DoubleFunction1D $g(x)$, dividing by a constant $a$ returns the function $h(x) = \frac{g(x)}{a}$.
default DoubleFunction1D	DoubleFunction1D.divide(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, dividing by a function $f(x)$ returns the function $h(x) = \frac{g(x)}{f(x)}$.
static DoubleFunction1D	DoubleFunction1D.from(Function<Double,Double> f) Converts a Function<Double, Double> into a DoubleFunction1D.
default DoubleFunction1D	DoubleFunction1D.multiply(double a) For a DoubleFunction1D $g(x)$, multiplying by a constant $a$ returns the function $h(x) = a g(x)$.
DoubleFunction1D	RealPolynomialFunction1D.multiply(DoubleFunction1D f) Multiplies the polynomial by a function.
default DoubleFunction1D	DoubleFunction1D.multiply(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, multiplying by a function $f(x)$ returns the function $h(x) = f(x) g(x)$.
default DoubleFunction1D	DoubleFunction1D.subtract(double a) For a DoubleFunction1D $g(x)$, subtracting a constant $a$ returns the function $h(x) = g(x) - a$.
DoubleFunction1D	RealPolynomialFunction1D.subtract(DoubleFunction1D f) Subtracts a function from the polynomial.
default DoubleFunction1D	DoubleFunction1D.subtract(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, subtracting a function $f(x)$ returns the function $h(x) = f(x) - g(x)$.

Methods in com.opengamma.strata.math.impl.function with parameters of type DoubleFunction1D

Modifier and Type	Method and Description
DoubleFunction1D	RealPolynomialFunction1D.add(DoubleFunction1D f) Adds a function to the polynomial.
default DoubleFunction1D	DoubleFunction1D.add(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, adding a function $f(x)$ returns the function $h(x) = f(x) + g(x)$.
default DoubleFunction1D	DoubleFunction1D.divide(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, dividing by a function $f(x)$ returns the function $h(x) = \frac{g(x)}{f(x)}$.
DoubleFunction1D	RealPolynomialFunction1D.multiply(DoubleFunction1D f) Multiplies the polynomial by a function.
default DoubleFunction1D	DoubleFunction1D.multiply(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, multiplying by a function $f(x)$ returns the function $h(x) = f(x) g(x)$.
DoubleFunction1D	RealPolynomialFunction1D.subtract(DoubleFunction1D f) Subtracts a function from the polynomial.
default DoubleFunction1D	DoubleFunction1D.subtract(DoubleFunction1D f) For a DoubleFunction1D $g(x)$, subtracting a function $f(x)$ returns the function $h(x) = f(x) - g(x)$.

Uses of DoubleFunction1D in com.opengamma.strata.math.impl.function.special

Methods in com.opengamma.strata.math.impl.function.special that return DoubleFunction1D

Modifier and Type	Method and Description
protected DoubleFunction1D	OrthogonalPolynomialFunctionGenerator.getOne()
DoubleFunction1D[]	OrthonormalHermitePolynomialFunction.getPolynomials(int n)
abstract DoubleFunction1D[]	OrthogonalPolynomialFunctionGenerator.getPolynomials(int n)
DoubleFunction1D[]	LegendrePolynomialFunction.getPolynomials(int n)
DoubleFunction1D[]	LaguerrePolynomialFunction.getPolynomials(int n)
DoubleFunction1D[]	JacobiPolynomialFunction.getPolynomials(int n)
DoubleFunction1D[]	HermitePolynomialFunction.getPolynomials(int n)
DoubleFunction1D[]	LaguerrePolynomialFunction.getPolynomials(int n, double alpha) Gets the polynomials.
DoubleFunction1D[]	JacobiPolynomialFunction.getPolynomials(int n, double alpha, double beta) Calculates polynomials.
protected DoubleFunction1D	OrthogonalPolynomialFunctionGenerator.getX()
protected DoubleFunction1D	OrthogonalPolynomialFunctionGenerator.getZero()

Uses of DoubleFunction1D in com.opengamma.strata.math.impl.rootfinding

Methods in com.opengamma.strata.math.impl.rootfinding with parameters of type DoubleFunction1D

Modifier and Type	Method and Description
protected void	RealSingleRootFinder.checkInputs(DoubleFunction1D function, Double x1, Double x2) Tests that the inputs to the root-finder are not null, and that a root is bracketed by the bounding values.
Double	NewtonRaphsonSingleRootFinder.getRoot(DoubleFunction1D function, Double x) Uses the derivative() method.
Double	NewtonRaphsonSingleRootFinder.getRoot(DoubleFunction1D function, Double x1, Double x2) Uses the derivative() method.
Double	NewtonRaphsonSingleRootFinder.getRoot(DoubleFunction1D function, DoubleFunction1D derivative, Double x) Uses the function and its derivative.
Double	NewtonRaphsonSingleRootFinder.getRoot(DoubleFunction1D function, DoubleFunction1D derivative, Double x1, Double x2) Uses the function and its derivative.