Meta.Numerics Library
IntegralSi Method (x)
Meta.NumericsMeta.Numerics.FunctionsAdvancedMathIntegralSi(Double)
Computes the sine integral.
Declaration Syntax
C#Visual BasicVisual C++F#
public static double IntegralSi(
	double x
)
Public Shared Function IntegralSi ( _
	x As Double _
) As Double
public:
static double IntegralSi(
	double x
)
static member IntegralSi : 
        x:float -> float 
Parameters
x (Double)
The argument.
Return Value
The value of Si(x).
Remarks

The sine integral is defined as:

The sine integral is zero at the origin and executes a damped oscilation arround π/2 as its argument increases.