RosettaCodeData/Task/Fast-Fourier-transform/J/fast-fourier-transform-3.j
2023-07-01 13:44:08 -04:00

9 lines
146 B
Text

Re=: {.@+.@fft
Im=: {:@+.@fft
M=: 4#1 0
M
1 1 1 1 0 0 0 0
Re M
4 1 0 1 0 1 0 1
Im M
0 2.41421 0 0.414214 0 _0.414214 0 _2.41421