Last Updated
：2025/11/27
radius vector
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(mathematics) A straight line (or the length of such line) connecting any point, as of a curve, with a fixed point, or pole, round which the straight line turns, and to which it serves to refer the successive points of a curve, in a system of polar coordinates.
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radius vector
In polar coordinates, the radius vector from the pole to a point on the curve determines the point's distance and angle, allowing the curve to be parameterized.
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In polar coordinates, the radius vector from the pole to a point on the curve determines the point's distance and angle, allowing the curve to be parameterized.
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