• {\mathbf {v} }}_{j}.} Del Orthogonal coordinates Curvilinear coordinates Vector fields in cylindrical and spherical coordinates Griffiths, David J. (2012)...
    34 KB (2,828 words) - 15:02, 16 June 2025
  • Thumbnail for Vector fields in cylindrical and spherical coordinates
    spherical coordinates, in which θ {\displaystyle \theta } is the angle between the z axis and the radius vector connecting the origin to the point in...
    10 KB (1,742 words) - 20:51, 11 February 2025
  • Thumbnail for Cylindrical coordinate system
    coordinate transformations Vector fields in cylindrical and spherical coordinates Del in cylindrical and spherical coordinates Krafft, C.; Volokitin, A. S. (1...
    18 KB (2,117 words) - 18:59, 17 April 2025
  • Thumbnail for Spherical coordinate system
    Method for specifying point positions Del in cylindrical and spherical coordinates – Mathematical gradient operator in certain coordinate systems Double Fourier...
    43 KB (6,355 words) - 20:55, 14 April 2025
  • Thumbnail for Divergence
    \cdot \mathbf {A} } in cylindrical and spherical coordinates are given in the article del in cylindrical and spherical coordinates. Using Einstein notation...
    32 KB (4,659 words) - 14:50, 23 May 2025
  • respect to each independent variable. In other coordinate systems, such as cylindrical and spherical coordinates, the Laplacian also has a useful form...
    30 KB (4,682 words) - 03:20, 8 May 2025
  • z}=\left(1,1,1\right)} Del can also be expressed in other coordinate systems, see for example del in cylindrical and spherical coordinates. Del is used as a shorthand...
    22 KB (3,921 words) - 04:13, 10 June 2025
  • Thumbnail for Curvilinear coordinates
    coordinate systems in three-dimensional Euclidean space (R3) are cylindrical and spherical coordinates. A Cartesian coordinate surface in this space is a...
    53 KB (8,311 words) - 16:11, 4 March 2025
  • Thumbnail for Curl (mathematics)
    Curl (mathematics) (category Linear operators in calculus)
    common in physics and algebra. Expanded in 3-dimensional Cartesian coordinates (see Del in cylindrical and spherical coordinates for spherical and cylindrical...
    34 KB (5,050 words) - 04:31, 3 May 2025
  • of seawater. Del, treating the mathematics of the vector differential operator Del in cylindrical and spherical coordinates grad, div, and curl, differential...
    12 KB (1,427 words) - 14:16, 9 June 2025
  • Thumbnail for Potential flow around a circular cylinder
    θ. 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 Three-dimensional space
    =\partial _{i}F_{i}.} Expanded in Cartesian coordinates (see Del in cylindrical and spherical coordinates for spherical and cylindrical coordinate representations)...
    34 KB (4,825 words) - 16:10, 16 June 2025
  • Vector calculus identities (category Articles lacking in-text citations from August 2017)
    vector algebra and geometric algebra Del in cylindrical and spherical coordinates – Mathematical gradient operator in certain coordinate systems Differentiation...
    40 KB (6,539 words) - 19:55, 12 June 2025
  • Thumbnail for Diffraction
    {1}{r}}{\frac {\partial ^{2}}{\partial r^{2}}}(r\psi ).} (See del in cylindrical and spherical coordinates.) By direct substitution, the solution to this equation...
    52 KB (6,613 words) - 03:14, 30 May 2025
  • Gauss's law for gravity (category All Wikipedia articles written in American English)
    {\displaystyle r=|\mathbf {r} |} ), and Poisson's equation becomes (see Del in cylindrical and spherical coordinates): 1 r 2 ∂ ∂ r ( r 2 ∂ ϕ ∂ r ) = 4 π...
    15 KB (2,228 words) - 22:32, 26 April 2025
  • {\boldsymbol {S}}}}:{\boldsymbol {T}}\right)} Del in cylindrical and spherical coordinates – Mathematical gradient operator in certain coordinate systems Differential...
    22 KB (4,817 words) - 00:04, 12 April 2025
  • Thumbnail for Gradient
    Gradient (category Linear operators in calculus)
    expression evaluates to the expressions given above for cylindrical and spherical coordinates. The gradient is closely related to the total derivative...
    37 KB (5,689 words) - 17:36, 1 June 2025
  • derivative (continuum mechanics) Curvilinear perspective Del in cylindrical and spherical coordinates Notes Green, A. E.; Zerna, W. (1968). Theoretical Elasticity...
    58 KB (12,797 words) - 22:33, 9 May 2025
  • Thumbnail for Azimuth
    to the celestial meridian. In mathematics, the azimuth angle of a point in cylindrical coordinates or spherical coordinates is the anticlockwise angle...
    14 KB (1,767 words) - 17:57, 28 May 2025
  • Navier–Stokes equations (category Functions of space and time)
    Navier–Stokes equations in cylindrical coordinates, retrieved 2016-12-26 Eric W. Weisstein (2005-10-26), Spherical Coordinates, MathWorld, retrieved 2008-01-22...
    97 KB (15,478 words) - 11:35, 13 June 2025
  • depends on 3D space in Cartesian coordinates, however the pressure predominantly moves away from the center, so that in spherical coordinates the problem becomes...
    30 KB (3,364 words) - 09:49, 16 June 2025
  • Thumbnail for Alhazen's problem
    Alhazen's problem (category Mathematics in the medieval Islamic world)
    problem is a mathematical problem in optics concerning reflection in a spherical mirror. It asks for the point in the mirror where one given point reflects...
    34 KB (3,723 words) - 06:06, 16 June 2025
  • Treasure of Lima: A Buried Exhibition (category Articles lacking in-text citations from October 2017)
    digital video and audio files. The container was a truncated tetrahedron made of stainless steel that opened to reveal a second spherical container made...
    4 KB (563 words) - 21:34, 16 May 2025
  • Thumbnail for Vector field
    Vector field (category Functions and mappings)
    flow and balanced flow in atmospheric dynamics Lie derivative Scalar field Time-dependent vector field Vector fields in cylindrical and spherical coordinates...
    28 KB (4,076 words) - 01:44, 23 February 2025
  • assuming a spherical Earth first appear in the Hellenistic period. The developments of Greek geography during this time, notably by Eratosthenes and Posidonius...
    73 KB (8,596 words) - 22:27, 18 May 2025
  • San Juanico disaster (category Coordinates on Wikidata)
    54 LPG storage tanks: six large spherical tanks, of which four had a capacity of 1,600 cubic metres (57,000 cu ft) and two with capacity of 2,400 cubic...
    45 KB (5,014 words) - 05:58, 7 June 2025
  • Thumbnail for Euclidean vector
    Euclidean vector (category Vectors (mathematics and physics))
    choices are more convenient for solving problems which possess cylindrical or spherical symmetry, respectively. The choice of a basis does not affect the...
    61 KB (9,116 words) - 12:01, 7 May 2025
  • Thumbnail for Alhambra
    Alhambra (category Buildings and structures in Granada)
    character. For example, in 1858–1859 Rafael Contreras and Juan Pugnaire added Persian-looking spherical domes to the Court of the Lions and to the northern portico...
    131 KB (15,181 words) - 06:20, 12 June 2025
  • Thumbnail for History of cartography
    the Phoenicians knew about the spherical Earth model. However, nothing certain about their knowledge of geography and navigation has survived. The historian...
    143 KB (17,675 words) - 01:53, 15 June 2025
  • Thumbnail for History of mathematics
    was also very influential in calendar reform. In the 13th century, Nasir al-Din Tusi (Nasireddin) made advances in spherical trigonometry. He also wrote...
    140 KB (16,338 words) - 05:36, 15 June 2025