7.5.10 Irregular Bessel Functions—Fractional Order

Function: double gsl_sf_bessel_Ynu (double nu, double x)

Function: int gsl_sf_bessel_Ynu_e (double nu, double x, gsl_sf_result * result)

These routines compute the irregular cylindrical Bessel function of fractional order \nu, Y_\nu(x).