1
2 1 dimensions: FFTW on vector of size 12
3
4 2 dimensions: FFTW on vector of size 144
5 Error norm of |x - z1| 106.931
6
7 3 dimensions: FFTW on vector of size 1728
8 Error norm of |x - z1| 107.435
9
10 4 dimensions: FFTW on vector of size 20736
11 Error norm of |x - z1| 109.66
12