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WorksheetFunction.BesselI Method (Excel)

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

expression .BesselI(Arg1, Arg2)

expression A variable that represents a WorksheetFunction object.

Parameters

Name

Required/Optional

Data Type

Description

Arg1

Required

Variant

The value at which to evaluate the function.

Arg2

Required

Variant

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

Return Value

Double

  • 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: Ff193294.awfbesli_ZA06051111(en-us,office.14).gif

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