15.1 Using Bessel Functions

The mathematical cylinder functions for integers are known as Bessel functions.

The following Bessel functions are supported in this release:
Function Name Description

BesselI0(x)

Returns the modified Bessel function of order 0 of the double argument as a double

BesselI0_exp(x)

Returns the exponentially scaled modified Bessel function of order 0 of the double argument as a double

BesselI1(x)

Returns the modified Bessel function of order 1 of the double argument as a double

BesselI1_exp(x)

Returns the exponentially scaled modified Bessel function of order 1 of the double argument as a double

BesselJ(x,x)

Returns the Bessel function of the first kind of order n of the argument as a double

BesselK(x,x)

Returns the modified Bessel function of the third kind of order n of the argument as a double

BesselK0_exp(x)

Returns the exponentially scaled modified Bessel function of the third kind of order 0 of the double argument as a double

BesselK1_exp(x)

Returns the exponentially scaled modified Bessel function of the third kind of order 1 of the double argument as a double

BesselY(x)

Returns the Bessel function of the second kind of order n of the double argument as a double