Function: bessj Purpose: Evaluate Bessel function of first kind of integer order. Category: MATH File: bessel.c Author: M.G.R. Vogelaar Use: #include "bessel.h" double result; result = bessj( int n, double x ) bessj Return the Bessel function of integer order for input value x. n Integer order of Bessel function. x Double at which the function is evaluated. Description: bessj evaluates at x the Bessel function of the first kind and of integer order n. This routine is NOT callable in FORTRAN. Updates: Jun 29, 1998: VOG, Document created.