How does an FFT work?

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  2. #called
  3. #there
  4. #cascading
  5. #patterns
  6. #length
  7. #radix
  8. #process
  9. #transform
  10. #sometimes
  11. #needed
  12. #multiplication
  13. #works
  14. #requiring
  15. #power
  16. #groups
  17. #cosine
  18. #similarly