/// <summary>
/// Returns the modified Bessel function of the second kind.
/// <para>BesselK(n, z) is a solution to the modified Bessel differential equation.</para>
/// </summary>
/// <param name="n">The order of the modified Bessel function.</param>
/// <param name="z">The value to compute the modified Bessel function of.</param>
/// <returns>The modified Bessel function of the second kind.</returns>
public static Complex BesselK(double n, Complex z)
{
return(Amos.Cbesk(n, z));
}
/// <summary>
/// Returns the modified Bessel function of the second kind.
/// <para>BesselK(n, z) is a solution to the modified Bessel differential equation.</para>
/// </summary>
/// <param name="n">The order of the modified Bessel function.</param>
/// <param name="z">The value to compute the modified Bessel function of.</param>
/// <returns>The modified Bessel function of the second kind.</returns>
public static double BesselK(double n, double z)
{
return(Amos.Cbesk(n, z));
}
/// <summary>
/// Modified Bessel function of the second kind, K(v, z).
/// <p/>
/// If expScaled is true, returns Exp(z) * K(v, z).
/// </summary>
/// <param name="v">The order of the Bessel function</param>
/// <param name="z">The value to compute the Bessel function of.</param>
/// <param name="expScaled">If true, returns exponentially-scaled Bessel function</param>
/// <returns></returns>
public static double BesselK(double v, double z, bool expScaled = false)
{
return((expScaled) ? Amos.ScaledCbesk(v, z) : Amos.Cbesk(v, z));
}
