R: lowergamma: upper incomplete gamma function

lowergamma {RxODE} | R Documentation

## lowergamma: upper incomplete gamma function

### Description

This is the tgamma_lower from the boost library

### Usage

    lowergamma(a, z)

### Arguments

`a` | The numeric 'a' parameter in the upper incomplete gamma
`z` | The numeric 'z' parameter in the upper incomplete gamma

### Details

The lowergamma function is given by:

lowergamma(a, z) = \int_{0}^{z}t^{a-1}\cdot e^{-t} dt

### Value

lowergamma results

### Author(s)

Matthew L. Fidler

### Examples

    lowergamma(1, 3)

    lowergamma(1:3, 3)

    lowergamma(1, 1:3)

[Package RxODE version 1.1.2 Index]