2.11BSD/man/cat3/y1.0
J0(3M) UNIX 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)
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
On a VAX, negative arguments cause y0, y1 and yn to return
the reserved operand and set _e_r_r_n_o to EDOM.
SEE ALSO
math(3M), infnan(3M)
Printed 11/26/99 May 12, 1986 1