bessel(3M) — sys5



BESSEL(3M)      DOMAIN/IX Reference Manual (SYS5)      BESSEL(3M)



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

USAGE
     #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)
     int n;
     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.























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