This manual relates to an old release of the Library.
The documentation for the current release is also available on this site.
Example description
nag_sum_fft_real_3d (c06pyc) Example Program Data

      3         3         4     : n1, n2, n3

      1.541     0.584     0.010
      0.346     1.284     1.960
      1.754     0.855     0.089

      0.161     1.004     1.844
      1.907     1.137     0.240
      0.042     0.725     1.660

      1.989     1.408     0.452
      0.001     0.467     1.424
      1.991     1.647     0.708

      0.037     0.252     1.154
      1.915     1.834     0.987
      0.151     0.096     0.872 : x