• Thumbnail for Parabolic coordinates
    Parabolic coordinates are a two-dimensional orthogonal coordinate system in which the coordinate lines are confocal parabolas. A three-dimensional version...
    8 KB (1,115 words) - 13:19, 21 April 2025
  • Thumbnail for Parabolic cylindrical coordinates
    parabolic cylinders. Parabolic cylindrical coordinates have found many applications, e.g., the potential theory of edges. The parabolic cylindrical coordinates...
    10 KB (1,643 words) - 13:15, 21 April 2025
  • Thumbnail for Parabolic cylinder function
    variables is used on Laplace's equation when expressed in parabolic cylindrical coordinates. The above equation may be brought into two distinct forms...
    12 KB (2,655 words) - 13:31, 15 March 2025
  • complete solution for S {\displaystyle S} . The Hamiltonian in parabolic cylindrical coordinates can be written H = p σ 2 + p τ 2 2 m ( σ 2 + τ 2 ) + p z 2...
    44 KB (8,210 words) - 22:52, 28 May 2025
  • parable. Parabolic may refer to: In mathematics: In elementary mathematics, especially elementary geometry: Parabolic coordinates Parabolic cylindrical coordinates...
    1 KB (174 words) - 11:26, 14 February 2020
  • Thumbnail for Cylinder
    an element of the cylindrical surface. A solid bounded by a cylindrical surface and two parallel planes is called a (solid) cylinder. The line segments...
    21 KB (2,928 words) - 12:38, 7 June 2025
  • Thumbnail for Paraboloidal coordinates
    parabolic coordinates. They possess elliptic paraboloids as one-coordinate surfaces. As such, they should be distinguished from parabolic cylindrical coordinates...
    9 KB (1,534 words) - 10:53, 11 June 2025
  • Thumbnail for Coordinate system
     θ, z). Spherical coordinates take this a step further by converting the pair of cylindrical coordinates (r, z) to polar coordinates (ρ, φ) giving a triple...
    19 KB (2,275 words) - 08:17, 15 June 2025
  • Cartesian coordinates, one has to solve a (difficult) two dimensional boundary value problem involving a partial differential equation, but in cylindrical coordinates...
    30 KB (3,364 words) - 09:49, 16 June 2025
  • Thumbnail for Parabolic reflector
    associated adjective parabolic are often used in place of paraboloid and paraboloidal. If a parabola is positioned in Cartesian coordinates with its vertex...
    21 KB (2,638 words) - 04:44, 7 October 2024
  • Thumbnail for Parabolic antenna
    A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio...
    42 KB (5,157 words) - 23:20, 14 May 2025
  • Thumbnail for Parabola
    Parabola (redirect from Parabolic Equation)
    cone, parabolic cylinder, elliptical paraboloid, hyperbolic paraboloid, hyperboloid of one sheet, hyperboloid of two sheets. Elliptic cone Parabolic cylinder...
    80 KB (13,447 words) - 19:44, 31 May 2025
  • Thumbnail for Potential flow around a circular cylinder
    In polar coordinates, Laplace's equation is (see Del in cylindrical and spherical coordinates): 1 r ∂ ∂ r ( r ∂ ϕ ∂ r ) + 1 r 2 ∂ 2 ϕ ∂ θ 2 = 0 . {\displaystyle...
    15 KB (2,575 words) - 20:10, 29 March 2025
  • Thumbnail for Polar coordinate system
    intuitive to model using polar coordinates. The polar coordinate system is extended to three dimensions in two ways: the cylindrical coordinate system adds a...
    49 KB (6,702 words) - 21:47, 13 May 2025
  • Thumbnail for Conic section
    inconic Director circle Elliptic coordinate system Equidistant set Parabolic coordinates Quadratic function Spherical conic The empty set is included as...
    69 KB (9,174 words) - 17:05, 5 June 2025
  • in a Newtonian context is modelled by the Fourier equation, namely a parabolic partial differential equation of the kind: ∂ θ ∂ t   =   α   ∇ 2 θ , {\displaystyle...
    10 KB (1,179 words) - 14:24, 28 May 2025
  • Thumbnail for Dupin cyclide
    first case one defines the cyclide as elliptic, in the second case as parabolic. In both cases the conics are contained in two mutually orthogonal planes...
    27 KB (4,601 words) - 22:32, 30 December 2024
  • the concept of leakage. Another useful coordinate system is 3D cylindrical coordinates (typically where a pumping well is a line source located at the...
    13 KB (1,998 words) - 20:05, 29 March 2025
  • cylindrical coordinates spherical coordinates Prolate spheroidal coordinates Oblate spheroidal coordinates Parabolic coordinates Toroidal coordinates...
    11 KB (1,910 words) - 01:17, 15 August 2024
  • Thumbnail for Azimuth
    meridian. In mathematics, the azimuth angle of a point in cylindrical coordinates or spherical coordinates is the anticlockwise angle between the positive x-axis...
    14 KB (1,767 words) - 17:57, 28 May 2025
  • Thumbnail for Riemann surface
    complex plane, which is parabolic. With two punctures, it is the punctured plane or alternatively annulus or cylinder, which is parabolic. With three or more...
    26 KB (3,142 words) - 10:43, 20 March 2025
  • Thumbnail for Cabo Frio Lighthouse
    metres (1,296 ft). The lantern was equipped with catoptrics lens and parabolic reflectors lit by 18 oil lamps. As the top of the island was frequently...
    3 KB (398 words) - 20:28, 12 January 2023
  • Thumbnail for Luneburg lens
    Luneburg lens antenna is comparable to a parabolic dish antenna, but uses the lens rather than a parabolic reflector as the main focusing element. As...
    16 KB (2,104 words) - 01:36, 20 January 2025
  • Thumbnail for Curl (mathematics)
    curvilinear orthogonal coordinates, e.g. in Cartesian coordinates, spherical, cylindrical, or even elliptical or parabolic coordinates: ( curl ⁡ F ) 1 = 1...
    34 KB (5,050 words) - 04:31, 3 May 2025
  • Thumbnail for Archimedes
    rotates with constant angular velocity. Equivalently, in modern polar coordinates (r, θ), it can be described by the equation r = a + b θ {\displaystyle...
    75 KB (8,628 words) - 09:50, 8 June 2025
  • Noncommutative algebraic geometry Noncommutative geometry Ordered geometry Parabolic geometry Plane geometry Projective geometry Quantum geometry Riemannian...
    13 KB (914 words) - 10:26, 25 December 2024
  • *The first known popularizer/user and not necessarily the creator. Cylindrical In normal aspect, these map regularly-spaced meridians to equally spaced...
    32 KB (772 words) - 04:49, 5 May 2025
  • Thumbnail for Medicina Radio Observatory
    Medicina Radio Observatory (category Coordinates on Wikidata)
    564 by 640 m (30000 square meter) multi-element Northern Cross cylindrical-parabolic transit radio telescope for observing at 408 MHz. The Northern Cross...
    12 KB (1,477 words) - 18:53, 7 August 2023
  • Thumbnail for Free surface
    in a cylindrical vessel and is rotating around a vertical axis coinciding with the axis of the cylinder, the free surface will assume a parabolic surface...
    15 KB (1,870 words) - 02:12, 5 May 2024
  • can be solved in cylindrical coordinates ( r , θ , z ) {\displaystyle (r,\theta ,z)} . Denote the radii of the inner and outer cylinders as R 1 {\displaystyle...
    18 KB (3,140 words) - 13:09, 8 June 2025