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Fast Fourier transform: Difference between revisions

Fast Fourier transform (view source)

Revision as of 15:13, 17 August 2020

14 bytes removed ,  3 years ago
→‎{{header|Mathematica}} / {{header|Wolfram Language}}: simplification
m (→‎{{header|APL}}: trimming spaces)
Line 1,988:
Here is a user-space definition for good measure.
 
<lang Mathematica>fft[l__ /; Length@l == 1{x_}] := {N@l}
fft[l__] :=
Join[#, #] &@fft@l[[1 ;; ;; 2]] +
Grondilu
1,934

edits

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