Next: About this document ...
Previous: FFT box
- Exploits localization in real-space: no need to do the initial
3D FFT on subcells not overlapping a function in the FFT box.
- Can store the intermediate stage of the FFT in the same amount
of memory as in real-space e.g. for calculating the density:
where the functions
must be Fourier
interpolated before their product is calculated.
Peter D. Haynes