math.cyl.bessel.i

Syntax

f := math.cyl.bessel.i(nu,x)

Get the regular modified cylindrical bessel function of nu and x.

Inu(x)=k=0x2nu+2kkΓ(nu+k+1)
Returns:

f - the regular modified cylindrical bessel function.

Arguments:

nu - the order of the function x - the function argument