nag_bessel_k_nu (s18efc) Example Program Results x nu y 3.9 -3 1.3315e-02 1.4 -2 2.6121e-01 8.2 -1 1.1892e-04 6.7 1 5.8826e-04 0.5 2 1.0750e+00 2.3 3 8.7724e-02