# 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.

See: Description

Class Summary
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 logit function, ordered as follows: Lower asymptote Higher asymptote
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 logit 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.

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

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.