polar coordinate system

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polar coordinate system

A system of coordinates in which the location of a point is determined by its distance from a fixed point at the center of the coordinate space (called the pole), and by the measurement of the angle formed by a fixed line (the polar axis, corresponding to the x-axis in Cartesian coordinates) and a line from the pole through the given point. The polar coordinates of a point are given as (r, θ), where r is the distance of the point from the pole, and θ is the measure of the angle.
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References in periodicals archive ?
Chernyak, About recognizing ([alpha], [beta])-classes of polar graphs, Discrete Math.
In most cases this will be from a pad of squared paper but I may have to distribute paper that has been prepared for drawing log-log, semi-log, isomorphic or polar graphs. Such paper was once produced by photocopying pages from John Craver's must useful Graph Paper From Your Copier.
There is a tutorial that draws polar graphs at www.analyzemath.com/polarcoordinates/polar coordinates.html.
Polar graphs help determine the precise effects of headwind or tail wind components, and aircraft weight on the best glide speed.
Creating a polar graph for an airplane operating in still air at zero thrust would be a great learning exercise for pilots and owners.
Among all of the polar graphs, rose curves are perhaps the most fascinating ones.