Might be related to p-norms although it doesn't really fit: https://raw.githubusercontent.com/mxmlnkn/fft-image-experiments/aff22cb6cd109d93fcf0b33bee1c122aee3

Might be related to p-norms although it doesn't really fit: https://raw.githubusercontent.com/mxmlnkn/fft-image-experiments/aff22cb6cd109d93fcf0b33bee1c122aee32ed02/media/fft-inverted-hilbert-pattern-order-13-p-norms.png https://raw.githubusercontent.com/mxmlnkn/fft-image-experime... Assuming it is a circle under a p-norm, I calculated p to be 3.504, so because of errors it might be exactly 3.5: https://raw.githubusercontent.com/mxmlnkn/fft-image-experiments/master/media/fft-inverted-hilbert-pattern-order-13-calculate-p.png https://raw.githubusercontent.com/mxmlnkn/fft-image-experime...