bessel(3f)
NAME
bessel functions − of two kinds for integer orders
SYNTAX
function besj0(x)
function besj1(x)
function besjn(n, x)
function besy0(x)
function besy1(x)
function besyn(n, x)
double precision function dbesj0(x)
double precision x
double precision function dbesj1(x)
double precision x
double precision function dbesjn(n, x)
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)
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.
FILES
/usr/lib/libF77.a