Special.PolyGamma Method

Returns the polygamma function of the specified order.

Definition

Namespace: Extreme.Mathematics
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public static double PolyGamma(
	int order,
	double x
)

Visual Basic

Public Shared Function PolyGamma ( 
	order As Integer,
	x As Double
) As Double

C++/CLI

public:
static double PolyGamma(
	int order, 
	double x
)

static member PolyGamma : 
        order : int * 
        x : float -> float

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

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