4 ms·

I feel like I'm asking stupid questions, but, why is this in a cube? As I rotate it I feel like I am looking in from multiple dimensions, but it's like I'm look

by lacker 5y ago

I feel like I'm asking stupid questions, but, why is this in a cube? As I rotate it I feel like I am looking in from multiple dimensions, but it's like I'm looking at a totally different entity through the different faces of the cube. So for example if I turn to look at both the green face and the red face, they both have an "lm" arrow, but their arrows are pointing in different directions. Doesn't that just mean that the two diagrams don't belong on two adjacent faces of a cube at 90 degrees apart?

cantagi 5y ago
The fourier transform is the same for all time, and the time-series contains all frequencies, so it makes sense to plot them on orthogonal axes. However it makes sense for them to share the 3rd axis for magnitude. However, the Im parts are just bolted on orthogonally to the Re parts and orthogonally to the magnitude. The reason the Im part of the time series shares an axis with frequency is just because the author ran out of dimensions.