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13-May-2025 11:55:20

cosine_transform_test():
  MATLAB/Octave version 9.11.0.2358333 (R2021b) Update 7.
  Test cosine_transform().

cosine_transform_test01():
  cosine_transform_data() does a cosine transform of data
  defined by a vector.

  Apply the transform, then its inverse.
  Let R be a random N vector.
  Let S be the transform of D.
  Let T be the transform of E.
  Then R and T will be equal.

     I      R(I)        S(I)        T(I)

     1    0.814724    2.789966    0.814724
     2    0.905792   -0.053403    0.905792
     3    0.126987    0.622964    0.126987
     4    0.913376   -0.319687    0.913376
     5    0.632359    0.184372    0.632359
     6    0.097540    0.471540    0.097540
     7    0.278498   -0.009641    0.278498
     8    0.546882   -0.309121    0.546882
     9    0.957507   -0.457203    0.957507
    10    0.964889   -0.149534    0.964889

cosine_transform_test():
  Normal end of execution.

13-May-2025 11:55:20