# Package org.apache.commons.math3.analysis.function

package 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.

Related Packages
Package
Description
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.integration
Numerical integration (quadrature) algorithms for univariate real functions.
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.
Classes
Class
Description
Abs
Absolute value function.
Acos
Arc-cosine function.
Acosh
Hyperbolic arc-cosine function.
Add
Add the two operands.
Asin
Arc-sine function.
Asinh
Hyperbolic arc-sine function.
Atan
Arc-tangent function.
Atan2
Arc-tangent function.
Atanh
Hyperbolic arc-tangent function.
Cbrt
Cube root function.
Ceil
`ceil` function.
Constant
Constant function.
Cos
Cosine function.
Cosh
Hyperbolic cosine function.
Divide
Divide the first operand by the second.
Exp
Exponential function.
Expm1
`ex-1` function.
Floor
`floor` function.
Gaussian
Gaussian function.
Gaussian.Parametric
Parametric function where the input array contains the parameters of the Gaussian, ordered as follows: Norm Mean Standard deviation
HarmonicOscillator
simple harmonic oscillator function.
HarmonicOscillator.Parametric
Parametric function where the input array contains the parameters of the harmonic oscillator function, ordered as follows: Amplitude Angular frequency Phase
Identity
Identity function.
Inverse
Inverse function.
Log
Natural logarithm function.
Log10
Base 10 logarithm function.
Log1p
`log(1 + p)` function.
Logistic
Generalised logistic function.
Logistic.Parametric
Parametric function where the input array contains the parameters of the `logistic function`, ordered as follows: k m b q a n
Logit
Logit function.
Logit.Parametric
Parametric function where the input array contains the parameters of the logit function, ordered as follows: Lower bound Higher bound
Max
Maximum function.
Min
Minimum function.
Minus
Minus function.
Multiply
Multiply the two operands.
Pow
Power function.
Power
Power function.
Rint
`rint` function.
Sigmoid
Sigmoid function.
Sigmoid.Parametric
Parametric function where the input array contains the parameters of the `sigmoid function`, ordered as follows: Lower asymptote Higher asymptote
Signum
`signum` function.
Sin
Sine function.
Sinc
Sinc function, defined by
Sinh
Hyperbolic sine function.
Sqrt
Square-root function.
StepFunction
Step function.
Subtract
Subtract the second operand from the first.
Tan
Tangent function.
Tanh
Hyperbolic tangent function.
Ulp
`ulp` function.