Coordinate system

system for determining the position of a point

A coordinate system is a system of numbers used to uniquely determine the position of a point. For two-dimensional systems, the numbers (scalars) are in ordered pairs. More dimensions call for more numbers.

Equatorial coordinate system

For example, (3) is one-dimensional, (1, 4) is two-dimensional, (1, 5, 9) is three-dimensional, (2, 6, 5, 3) is four-dimensional, and (5, 8, 9, 7, 9) is five-dimensional.

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