• Thumbnail for Polar coordinate system
    extended to finding the radius of curvature of curves expressed in these coordinates. The actual term polar coordinates has been attributed to Gregorio Fontana...
    49 KB (6,702 words) - 21:47, 13 May 2025
  • Thumbnail for Polar curve
    geometry, the first polar, or simply polar of an algebraic plane curve C of degree n with respect to a point Q is an algebraic curve of degree n−1 which...
    7 KB (1,204 words) - 15:00, 19 March 2020
  • The drag curve or drag polar is the relationship between the drag on an aircraft and other variables, such as lift, the coefficient of lift, angle-of-attack...
    23 KB (2,670 words) - 18:20, 7 February 2025
  • Thumbnail for Pole and polar
    point, then the polar is the percussion line of action as described in planar screw theory. Dual polygon Dual polyhedron Polar curve Brokard's theorem...
    13 KB (1,358 words) - 15:10, 28 March 2025
  • Polar cone Polar coordinate system, uses a central point and angles Polar curve (a point and a curve), a generalization of a point and a line Polar set...
    3 KB (417 words) - 02:26, 17 November 2024
  • Thumbnail for Rose (mathematics)
    rhodonea curve is a sinusoid specified by either the cosine or sine functions with no phase angle that is plotted in polar coordinates. Rose curves or "rhodonea"...
    22 KB (2,976 words) - 10:14, 9 May 2025
  • Spherical coordinate system, the three-dimensional form of a polar response curve In sailing, a Polar diagram is a graph that shows a sailing boats potential...
    657 bytes (108 words) - 15:08, 14 January 2025
  • Thumbnail for Dual curve
    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...
    11 KB (1,751 words) - 10:41, 3 April 2024
  • Thumbnail for Gliding flight
    depicted by a polar curve. These curves show the airspeed where minimum sink can be achieved and the airspeed with the best L/D ratio. The curve is an inverted...
    29 KB (3,319 words) - 02:31, 3 May 2025
  • Thumbnail for Coordinate system
    of curves. Orthogonal coordinates: coordinate surfaces meet at right angles Skew coordinates: coordinate surfaces are not orthogonal The log-polar coordinate...
    19 KB (2,276 words) - 02:49, 15 April 2025
  • Thumbnail for Subtangent
    Subtangent (category Curves)
    curve at P. Similarly, let N now be the point where the normal to the curve intersects the line. Then OT and ON are, respectively, called the polar subtangent...
    4 KB (525 words) - 11:52, 9 August 2023
  • Thumbnail for Pedal curve
    curve of a given curve results from the orthogonal projection of a fixed point on the tangent lines of this curve. More precisely, for a plane curve C...
    13 KB (1,964 words) - 15:26, 12 July 2023
  • smooth plane curves (including piecewise smooth plane curves), and algebraic plane curves. Plane curves also include the Jordan curves (curves that enclose...
    5 KB (670 words) - 00:49, 20 April 2024
  • Thumbnail for Speed to fly
    required is an airspeed indicator and a variometer. The pilot will use the polar curve information for the particular glider to derive the exact speeds to fly...
    12 KB (1,270 words) - 02:01, 23 October 2024
  • Thumbnail for Inverse curve
    In inversive geometry, an inverse curve of a given curve C is the result of applying an inverse operation to C. Specifically, with respect to a fixed circle...
    14 KB (2,405 words) - 08:23, 3 December 2023
  • Thumbnail for Solid of revolution
    a surface obtained by revolving around the y-axis is similar. For a polar curve r = f ( θ ) {\displaystyle r=f(\theta )} where α ≤ θ ≤ β {\displaystyle...
    12 KB (2,199 words) - 15:52, 3 April 2025
  • covered in this course include mathematical induction, complex number, polar curve and conic sections, differential equations, recurrence relations, matrices...
    10 KB (1,049 words) - 11:02, 22 May 2024
  • Thumbnail for Lift-to-drag ratio
    drag curves. Speed is shown increasing from left to right. The lift/drag ratio is given by the slope from the origin to some point on the curve and so...
    16 KB (1,826 words) - 18:34, 1 December 2024
  • Thumbnail for Arc length
    Arc length (redirect from Rectifiable curve)
    \mathbf {C} (t)=(r(t),\theta (t))} be a curve expressed in polar coordinates. The mapping that transforms from polar coordinates to rectangular coordinates...
    29 KB (5,340 words) - 20:46, 14 April 2025
  • Thumbnail for Limaçon
    Limaçon (category Roulettes (curve))
    or, in polar coordinates, r = 2 b cos ⁡ θ 3 {\displaystyle r=2b\cos {\theta \over 3}} making it a member of the rose family of curves. This curve is a trisectrix...
    10 KB (1,583 words) - 11:39, 14 May 2025
  • Cartesian coordinates Three-leaved clover in polar coordinates The ampersand curve is a quartic plane curve given by the equation:   ( y 2 − x 2 ) ( x −...
    8 KB (1,382 words) - 12:58, 2 May 2025
  • Thumbnail for Watt's curve
    Watt's pioneering work on the steam engine. The equation of the curve can be given in polar coordinates as r 2 = b 2 − [ a sin ⁡ θ ± c 2 − a 2 cos 2 ⁡ θ...
    7 KB (1,488 words) - 17:07, 13 February 2025
  • Thumbnail for Polar bear
    The polar bear (Ursus maritimus) is a large bear native to the Arctic and nearby areas. It is closely related to the brown bear, and the two species can...
    97 KB (12,624 words) - 10:15, 18 May 2025
  • Thumbnail for Hyperbolic spiral
    spiral galaxies and architectural volutes. As a plane curve, a hyperbolic spiral can be described in polar coordinates ( r , φ ) {\displaystyle (r,\varphi )}...
    22 KB (2,592 words) - 08:31, 26 August 2024
  • Thumbnail for Butterfly curve (transcendental)
    The butterfly curve is a transcendental plane curve discovered by Temple H. Fay of University of Southern Mississippi in 1989. The curve is given by the...
    2 KB (275 words) - 00:07, 22 March 2025
  • Thumbnail for Spiral
    is constant. Curvature The curvature κ {\displaystyle \kappa } of a curve with polar equation r = r ( φ ) {\displaystyle r=r(\varphi )} is κ = r 2 + 2 (...
    33 KB (4,360 words) - 06:47, 16 April 2025
  • Thumbnail for Junkers F 13
    result of diligent experimentation. Another advantage was that, while the polar curve for thin profile wings typically had a relatively restricted range of...
    41 KB (4,918 words) - 16:24, 6 May 2025
  • Thumbnail for Keeling Curve
    The Keeling Curve is a graph of the annual variation and overall accumulation of carbon dioxide in the Earth's atmosphere based on continuous measurements...
    18 KB (1,831 words) - 21:09, 15 March 2025
  • L; Cochran, Lyle; Gilett, Bernard; Schulz, Eric. "11 Parametric and Polar Curves". Calculus for Scientists and Engineers – Early Transcendentals. Pearson...
    3 KB (541 words) - 19:34, 9 May 2024
  • Thumbnail for Tangential angle
    denotes the polar tangential angle, then ψ = φ − θ, where φ is as above and θ is, as usual, the polar angle. If the curve is defined in polar coordinates...
    5 KB (738 words) - 03:35, 24 April 2025