IntegralSi Method (x)

Computes the sine integral.

Declaration Syntax

Visual Basic

Visual C++

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

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.