Returns the polygamma function of the specified order.
Namespace:
Extreme.Mathematics
Assembly:
Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
public static double PolyGamma(
int order,
double x
)
Public Shared Function PolyGamma (
order As Integer,
x As Double
) As Double
public:
static double PolyGamma(
int order,
double x
)
static member PolyGamma :
order : int *
x : float -> float
Parameters
- order
- Type: SystemInt32
The order of the polygamma function. Order 0 corresponds
to Digamma(Double). - x
- Type: SystemDouble
A real number.
Return Value
Type:
DoubleThe derivative of order
order+1 of the
logarithm of the Gamma function.
Reference