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