What is the use of Fast Fourier Transform?

Related questions

1. What is meant by DFT?
2. What is PBE functional?
3. Why do we need Fourier transform in DSP?
4. Why is DFT better than DCT?
5. What is b3lyp density functional theory?
6. Why is FFT faster?
7. What is the meaning of DFT?
8. Is DFT variational?
9. What is the need for DFT?
10. What does FFT do?

Tags

1. #fourier
2. #often
3. #original
4. #analysis
5. #representation
6. #frequency
7. #signal
8. #transform
9. #space
10. #sequence
11. #discrete
12. #algorithm
13. #versa
14. #computes
15. #domain
16. #inverse
17. #converts