Special.PolyGamma Method

Returns the polygamma function of the specified order.

Definition

Namespace: Numerics.NET
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.2
C#
public static double PolyGamma(
	int order,
	double x
)

Parameters

order  Int32
The order of the polygamma function. Order 0 corresponds to Digamma(Double).
x  Double
A real number.

Return Value

Double
The derivative of order order+1 of the logarithm of the Gamma function.

See Also