# Kummer

Advanced Analysis Library Only

double Kummer (double x, double a, double b);

## Purpose

Computes the Kummer function, also known as the confluent hypergeometric M function. The Kummer function is a solution of the following differential equation:

## Parameters

Input
Name | Type | Description
x | double-precision | The point at which the function is evaluated.
a | double-precision | The numerator parameter.
b | double-precision | The denominator parameter.

## Return Value

Name | Type | Description
result | double-precision | The value of the Kummer function evaluated at x.