WorksheetFunction.BesselI(Object, Object) Method

Reference

Definition

Namespace:: Microsoft.Office.Interop.Excel

Assembly:: Microsoft.Office.Interop.Excel.dll

Important

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Returns the modified Bessel function, which is equivalent to the Bessel function evaluated for purely imaginary arguments.

public:
 double BesselI(System::Object ^ Arg1, System::Object ^ Arg2);

public double BesselI (object Arg1, object Arg2);

Public Function BesselI (Arg1 As Object, Arg2 As Object) As Double

Parameters

Arg1: Object

The value at which to evaluate the function.

Arg2: Object

The order of the Bessel function. If n is not an integer, it is truncated.

Returns

Double

Remarks

If x is nonnumeric, BesselI returns the #VALUE! error value.

If n is nonnumeric, BesselI generates an error value.

If n < 0, BesselI generates an error value.

The n-th order modified Bessel function of the variable x is:

Figure 1: Bessel function of the variable x

Applies to