Hilbert Curves
Quaternary numbers are used in the representation of 2D Hilbert curves. Here a real number between 0 and 1 is converted into the quaternary system. Every single digit now indicates in which of the respective 4 sub-quadrants the number will be projected.
Read more about this topic: Quaternary Numeral System
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“At the end of every diet, the path curves back toward the trough.”
—Mason Cooley (b. 1927)