gov.sandia.cognition.math

Interface DifferentiableUnivariateScalarFunction

All Superinterfaces:

DifferentiableEvaluator<java.lang.Double,java.lang.Double,java.lang.Double>, Evaluator<java.lang.Double,java.lang.Double>, ScalarFunction<java.lang.Double>, UnivariateScalarFunction

All Known Subinterfaces:

PolynomialFunction.ClosedForm

All Known Implementing Classes:

AbstractDifferentiableUnivariateScalarFunction, AdaptiveRejectionSampling.LineSegment, AtanFunction, CosineFunction, DirectionalVectorToDifferentiableScalarFunction, DirectionalVectorToScalarFunction, HardSigmoidFunction, HardTanHFunction, IdentityScalarFunction, LeakyRectifiedLinearFunction, LinearFunction, LineMinimizerDerivativeBased.InternalFunction, PolynomialFunction, PolynomialFunction.Cubic, PolynomialFunction.Linear, PolynomialFunction.Quadratic, RectifiedLinearFunction, SigmoidFunction, SoftPlusFunction, TanHFunction

@CodeReview(reviewer="Kevin R. Dixon",
            date="2008-02-12",
            changesNeeded=false,
            comments={"Added differentiate(double) method.","Created AbstractDifferentiableUnivariateScalarFunction as a partial implementation.","Otherwise, interface is fine."})
public interface DifferentiableUnivariateScalarFunction
extends UnivariateScalarFunction, DifferentiableEvaluator<java.lang.Double,java.lang.Double,java.lang.Double>

A differentiable univariate scalar function

Since:

2.0

Author:

Kevin R. Dixon

Method Summary

Modifier and Type	Method and Description
double	differentiate(double input) Differentiates the output of the function about the given input
default java.lang.Double	differentiate(java.lang.Double input) Differentiates the output with respect to the input

Methods inherited from interface gov.sandia.cognition.math.UnivariateScalarFunction

evaluate, evaluate, evaluateAsDouble

Method Detail

differentiate

double differentiate(double input)

Differentiates the output of the function about the given input

Parameters:

input - Input about which to compute the derivative of the function output

Returns:

Derivative of the output with respect to the input

differentiate

default java.lang.Double differentiate(java.lang.Double input)

Description copied from interface: DifferentiableEvaluator

Differentiates the output with respect to the input

Specified by:

differentiate in interface DifferentiableEvaluator<java.lang.Double,java.lang.Double,java.lang.Double>

Parameters:

input - Input about which to compute the derivative

Returns:

Derivative of the output with respect to the given input