Modified Bessel Function K1

    x        actual         bessk1(x) 
  0.10    9.8538446e+00    9.8538446e+00
  0.20    4.7759724e+00    4.7759724e+00
  0.40    2.1843543e+00    2.1843543e+00
  0.60    1.3028349e+00    1.3028349e+00
  0.80    8.6178166e-01    8.6178160e-01
  1.00    6.0190725e-01    6.0190725e-01
  1.20    4.3459240e-01    4.3459237e-01
  1.40    3.2083589e-01    3.2083592e-01
  1.60    2.4063392e-01    2.4063392e-01
  1.80    1.8262309e-01    1.8262310e-01
  2.00    1.3986588e-01    1.3986588e-01
  2.50    7.3890813e-02    7.3890813e-02
  3.00    4.0156431e-02    4.0156431e-02
  3.50    2.2239393e-02    2.2239393e-02
  4.00    1.2483499e-02    1.2483499e-02
  4.50    7.0780949e-03    7.0780949e-03
  5.00    4.0446133e-03    4.0446133e-03
  6.00    1.3439197e-03    1.3439197e-03
  8.00    1.5536921e-04    1.5536921e-04
 10.00    1.8648772e-05    1.8648774e-05