BESSEL(3M)                                             BESSEL(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)
          int n;
          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 NaN.

     SEE ALSO
          math(3M)

     ORIGIN
          MIPS Computer Systems

















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