/// <summary>
/// Returns the Bessel function of the first kind.
/// <para>BesselJ(n, z) is a solution to the Bessel differential equation.</para>
/// </summary>
/// <param name="n">The order of the Bessel function.</param>
/// <param name="z">The value to compute the Bessel function of.</param>
/// <returns>The Bessel function of the first kind.</returns>
public static Complex BesselJ(double n, Complex z)
{
return(Amos.Cbesj(n, z));
}
/// <summary>
/// Returns the Bessel function of the first kind.
/// <para>BesselJ(n, z) is a solution to the Bessel differential equation.</para>
/// </summary>
/// <param name="n">The order of the Bessel function.</param>
/// <param name="z">The value to compute the Bessel function of.</param>
/// <returns>The Bessel function of the first kind.</returns>
public static double BesselJ(double n, double z)
{
return(Amos.Cbesj(n, z));
}
/// <summary>
/// Bessel function of the first kind, J(v, z).
/// <p/>
/// If expScaled is true, returns Exp(-Abs(y)) * J(v, z) where y = z.Imaginary.
/// </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 BesselJ(double v, double z, bool expScaled = false)
{
return((expScaled) ? Amos.ScaledCbesj(v, z) : Amos.Cbesj(v, z));
}
