What is twiddle factor and its importance?

Related questions

1. What is PBE functional?
2. What is difference between Dtft and DFT?
3. Why is FFT needed?
4. What is the purpose of Fast Fourier Transform?
5. Is DFT ab initio?
6. What is DFT in manufacturing?
7. Why is FFT faster?
8. What is the difference between Dtft and DFT?
9. Why do we need Fourier transform in DSP?
10. Is DFT variational?

Tags

1. #multiplied
2. #independent
3. #common
4. #twiddle
5. #constant
6. #trigonometric
7. #fourier
8. #algorithm
9. #meaning
10. #multiplicative
11. #transform
12. #factor
13. #course
14. #coefficients
15. #remains
16. #algorithms