kill(all)$

Maxima : relation between fft & inverse_fft ,version 1.0
peter.vlasschaert@gmail.com, 04/01/2021

load(fft);

→ Data structure.

p1:[1,2,3,4,5,6,7,0];

p1[2];

→ inverse_fft : Data

p2:inverse_fft(p1);

→fft              :

p3:fft(p2);

select : complex values 

p3a:imagpart(p3);
p3b:realpart(p3);