nag_fft_multiple_cosine (c06hbc) Example Program Results

Original data values

     0.3854     0.6772     0.1138     0.6751     0.6362     0.1424     0.9562
     0.5417     0.2983     0.1181     0.7255     0.8638     0.8723     0.4936
     0.9172     0.0644     0.6037     0.6430     0.0428     0.4815     0.2057

Discrete Fourier cosine transforms

     1.6833    -0.0482     0.0176     0.1368     0.3240    -0.5830    -0.0427
     1.9605    -0.4884    -0.0655     0.4444     0.0964     0.0856    -0.2289
     1.3838     0.1588    -0.0761    -0.1184     0.3512     0.5759     0.0110

Original data as restored by inverse transform

     0.3854     0.6772     0.1138     0.6751     0.6362     0.1424     0.9562
     0.5417     0.2983     0.1181     0.7255     0.8638     0.8723     0.4936
     0.9172     0.0644     0.6037     0.6430     0.0428     0.4815     0.2057