j0(3M) — GENIX 4.1A



      J0(3M)                  GENIX Programmer's Manual                  J0(3M)



      NAME
           j0, j1, jn, y0, y1, yn - bessel functions

      SYNOPSIS
           #include <math.h>

           double j0(x)
           double x;

           double j1(x)
           double x;

           double jn(n, x)
           double x;

           double y0(x)
           double x;

           double y1(x)
           double x;

           double yn(n, x)
           double x;

      DESCRIPTION
           These functions calculate Bessel functions of the first  and  second
           kinds for real arguments and integer orders.

      DIAGNOSTICS
           Negative arguments cause y0, y1, and yn to return  a  huge  negative
           value and set errno to EDOM.
























      Printed 11/16/83                                                        1
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