
Elliptic Coordinates
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High Quality Content by WIKIPEDIA articles! Elliptic coordinates are a two-dimensional orthogonal coordinate system in which the coordinate lines are confocal ellipses and hyperbolae. The two foci F1 and F2 are generally taken to be fixed at a and + a, respectively, on the x-axis of the Cartesian coordinate system. In mathematics and its applications, a coordinate (or co-ordinate) system is a system for assigning an n-tuple of numbers, scalars or variables to each point in an n-dimensional space. This concept is part of the theory of manifolds.