NAME

bessel functions − of two kinds for integer orders

SYNOPSIS

function besj0 (x) function besj1 (x) function besjn (n, x)
integer∗4 n function besy0 (x) function besy1 (x) function besyn (n, x)
integer∗4 n double precision function dbesj0 (x)
double precision x double precision function dbesj1 (x)
double precision x double precision function dbesjn (n, x)
integer∗4 n
double precision x double precision function dbesy0 (x)
double precision x double precision function dbesy1 (x)
double precision x double precision function dbesyn (n, x)
integer∗4 n
double precision x

DESCRIPTION

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

DIAGNOSTICS

Negative arguments cause besy0, besy1, and besyn to return a huge negative value.  The system error code will be set to EDOM (33). 

FILES

/usr/lib/libF77.a

SEE ALSO

j0(3M), perror(3F)

Sun Release 3.2  —  Last change: 9 January 1984