Loadable Function: z = gsl_sf_bessel_zero_J1 (arg1)
Loadable Function: [z, err] = gsl_sf_bessel_zero_J1 (…)

Computes the location of the s-th positive zero of the Bessel function J_1(x).

err contains an estimate of the absolute error in the value z.

This function is from the GNU Scientific Library, see http://www.gnu.org/software/gsl/ for documentation.

Package: gsl