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polar curve point

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  • Polar curve (aviation) — A polar curve is a graph of the rate of sink of an aircraft, often a glider, versus its horizontal speed.Measuring a glider s performanceKnowing the best speed to fly is important in exploiting the performance of a glider. Two of the key measures …   Wikipedia

  • Polar curve — For a plane curve given C by the equation f(x 0,x 1,x 2)and a point a = (a 0,a 1,a 2), the polar curveP a(C) is a curve given by the equation a 0 f 0 + a 1 f 1 + a 2 f 2 = 0, where f i are partial derivatives.The intersection of C and P a(C) is… …   Wikipedia

  • polar curve — noun Geometry a curve drawn on polar coordinates around a fixed point …   English new terms dictionary

  • Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 …   Wikipedia

  • polar — 1 adj. a of or near a pole of the earth or a celestial body, or of the celestial sphere. b (of a species or variety) living in the north polar region. 2 having magnetic polarity. 3 a (of a molecule) having a positive charge at one end and a… …   Useful english dictionary

  • Polar — Po lar, n. (Conic Sections) The right line drawn through the two points of contact of the two tangents drawn from a given point to a given conic section. The given point is called the pole of the line. If the given point lies within the curve so… …   The Collaborative International Dictionary of English

  • Polar coordinates — Coordinate Co*[ o]r di*nate, n. 1. A thing of the same rank with another thing; one two or more persons or things of equal rank, authority, or importance. [1913 Webster] It has neither co[ o]rdinate nor analogon; it is absolutely one. Coleridge.… …   The Collaborative International Dictionary of English

  • Dual curve — Curves, dual to each other; see below for properties. In projective geometry, a dual curve of a given plane curve C is a curve in the dual projective plane consisting of the set of lines tangent to C. There is a map from a curve to its dual,… …   Wikipedia

  • Plane curve — In mathematics, a plane curve is a curve in a Euclidean plane (cf. space curve). The most frequently studied cases are smooth plane curves (including piecewise smooth plane curves), and algebraic plane curves. A smooth plane curve is a curve in a …   Wikipedia

  • Center of a curve — Center Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the… …   The Collaborative International Dictionary of English

  • Center of curvature of a curve — Center Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the… …   The Collaborative International Dictionary of English

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