2009/11/26 Dalthon [BR] <efqdalton / uol.com.br>:
> Anyone know any library for Ruby that implements low level fft n-
> dimensional algorithm?

NArray may do what you need:

http://narray.rubyforge.org/

Found via http://raa.ruby-lang.org/search.rhtml?search=fft leads to

Kind regards

robert


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