Bessel Function J1

    x       actual     bessj1(x) 
 -5.00    0.3275791    0.3275791
 -4.00    0.0660433    0.0660433
 -3.00   -0.3390590   -0.3390590
 -2.00   -0.5767248   -0.5767248
 -1.00   -0.4400506   -0.4400506
  0.00    0.0000000    0.0000000
  1.00    0.4400506    0.4400506
  2.00    0.5767248    0.5767248
  3.00    0.3390590    0.3390590
  4.00   -0.0660433   -0.0660433
  5.00   -0.3275791   -0.3275791
  6.00   -0.2766839   -0.2766839
  7.00   -0.0046828   -0.0046828
  8.00    0.2346364    0.2346364
  9.00    0.2453118    0.2453118
 10.00    0.0434728    0.0434727
 11.00   -0.1767853   -0.1767853
 12.00   -0.2234471   -0.2234471
 13.00   -0.0703181   -0.0703181
 14.00    0.1333752    0.1333752