Computes the sine integral.

Namespace: Meta.Numerics.Functions
Assembly: Meta.Numerics (in Meta.Numerics.dll) Version: 2.1.0.0 (2.1.0.0)

Syntax

            
 C#  Visual Basic  Visual 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.

See Also