| SpecialFunctionsDigamma Method |
The digamma or psi function, defined as Gamma'(z)/Gamma(z). A Double.NaN is return for all non-positive integers x = { 0, -1, -2, ... }.
Namespace: CenterSpace.NMath.CoreAssembly: NMath (in NMath.dll) Version: 7.4
Syntax public static double Digamma(
double x
)
Public Shared Function Digamma (
x As Double
) As Double
public:
static double Digamma(
double x
)
static member Digamma :
x : float -> float
Parameters
- x Double
- A point on the x-axis.
Return Value
DoubleThe digamma function, defined as the logrithmic derivative of the gamma function.
See Also