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Posted to issues@commons.apache.org by "Davide (JIRA)" <ji...@apache.org> on 2018/05/15 19:16:00 UTC

[jira] [Created] (MATH-1461) Rea DFT

Davide created MATH-1461:
----------------------------

             Summary: Rea DFT
                 Key: MATH-1461
                 URL: https://issues.apache.org/jira/browse/MATH-1461
             Project: Commons Math
          Issue Type: Improvement
    Affects Versions: 3.6.1
         Environment: Used on:
 * Debian 9
 * x86 AMD64
 * ItelliJ Idea
            Reporter: Davide


I've noticed that since the DFT on real inputs produces half the size of the inputs (since they are real), then, maybe, the FastFourierTransformation.transform(double[], TransformType) should return an half sized Complex array, but it still return a Complex array of the same size of the input double array.



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