Bipolar coordinates
Bipolar coordinates are a two-dimensional orthogonal coordinate system based on the Apollonian circles. There are also other systems, based on two poles (biangular coordinates, two-center bipolar coordinates).
Bipolar coordinates are a two-dimensional orthogonal coordinate system based on the Apollonian circles. There are also other systems, based on two poles (biangular coordinates, two-center bipolar coordinates).
Bipolar coordinates are a two-dimensional orthogonal coordinate system based on the Apollonian circles. There are also other systems, based on two poles (biangular coordinates, two-center bipolar coordinates).
Source: Wikipedia "Bipolar coordinates" · CC BY-SA 4.0
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