• Thumbnail for Local tangent plane coordinates
    Local tangent plane coordinates (LTP) are part of a spatial reference system based on the tangent plane defined by the local vertical direction and the...
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  • reference Local reference frame Local tangent plane coordinates Skeletal animation Kolodziej, Krzysztof W.; Hjelm, Johan (2017-12-19). Local Positioning...
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  • Thumbnail for Tangent
    In geometry, the tangent line (or simply tangent) to a plane curve at a given point is, intuitively, the straight line that "just touches" the curve at...
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  • Thumbnail for Spatial reference system
    aligned with a standard projected coordinate system. Local tangent plane coordinates are a type of local coordinate system used in aviation and marine vehicles...
    15 KB (1,570 words) - 18:38, 15 April 2025
  • serving Enugu, Nigeria East north up, a geographical system of Local tangent plane coordinates Enu language, a language of China L. N. Gumilyov Eurasian National...
    632 bytes (114 words) - 10:46, 20 February 2025
  • Thumbnail for Normal mapping
    needed]. Typically the geometry provides a normal and tangent. The tangent is part of the tangent plane and can be transformed simply with the linear part...
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  • Thumbnail for Geodetic datum
    International Terrestrial Reference System Kilometre zero Local tangent plane coordinates Ordnance Datum Milestone Planetary coordinate system Reference...
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  • Thumbnail for Poincaré half-plane model
    Specifically, each point in the hyperbolic plane is represented using a Euclidean point with coordinates ⁠ ⟨ x , y ⟩ {\displaystyle \langle x,y\rangle...
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  • Thumbnail for Differential geometry of surfaces
    ℝ3 as being tangent to S at p, and certain vectors in ℝ3 as being orthogonal to S at p. One sees that the tangent space or tangent plane to S at p, which...
    129 KB (17,614 words) - 09:47, 13 April 2025
  • Thumbnail for Tangent bundle
    A tangent bundle is the collection of all of the tangent spaces for all points on a manifold, structured in a way that it forms a new manifold itself....
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  • Thumbnail for Spherical coordinate system
    three coordinates (r, θ, φ), known as a 3-tuple, provide a coordinate system on a sphere, typically called the spherical polar coordinates. The plane passing...
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  • mathematics, the tangent space of a manifold is a generalization of tangent lines to curves in two-dimensional space and tangent planes to surfaces in three-dimensional...
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  • \mathbf {r} _{v}} are linearly independent. The tangent plane at a regular point is the affine plane in R3 spanned by these vectors and passing through...
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  • Thumbnail for Atan2
    {\displaystyle x<0} ⁠. Diametrically opposite angle measures have the same tangent because y / x = ( − y ) / ( − x ) . {\displaystyle y/x=(-y)/(-x).} To fully...
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  • Thumbnail for Gradient
    not differentiable at the origin as it does not have a well defined tangent plane despite having well defined partial derivatives in every direction at...
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  • Thumbnail for Centripetal force
    simply in polar coordinates, and at the same time extended to general motion within a plane, as shown next. Polar coordinates in the plane employ a radial...
    56 KB (8,017 words) - 23:10, 30 March 2025
  • Bézout's theorem (category Theorems in plane geometry)
    may be necessary to allow complex coordinates and include the points on the infinite line in the projective plane. For example: Two circles never intersect...
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  • Thumbnail for Curvilinear coordinates
    }}\right)^{2}}}} Tangent plane element: If x(λ1, λ2) parametrizes a surface S in Cartesian coordinates, then the following cross product of tangent vectors is...
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  • Thumbnail for Horizontal coordinate system
    sphere whose plane is normal to the local gravity vector (the vertical direction). In practice, the horizon can be defined as the plane tangent to a quiet...
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  • Rindler coordinates are a coordinate system used in the context of special relativity to describe the hyperbolic acceleration of a uniformly accelerating...
    66 KB (7,773 words) - 18:05, 5 February 2025
  • Thumbnail for Trigonometric functions
    trigonometry tables he created to support the calculation of stellar coordinates. The terms tangent and secant were first introduced by the Danish mathematician...
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  • Thumbnail for Map projection
    represent the curved two-dimensional surface of a globe on a plane. In a map projection, coordinates, often expressed as latitude and longitude, of locations...
    59 KB (6,471 words) - 03:02, 6 May 2025
  • Thumbnail for Stereographic projection
    polar coordinates or three-dimensional cartesian coordinates. This is the spherical analog of the Poincaré disk model of the hyperbolic plane. Intuitively...
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  • Thumbnail for Algebraic curve
    singular point. When one changes the coordinates to put the singular point at the origin, the equation of the tangents at the singular point is thus the...
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  • the tangent bundle of M {\displaystyle M} to R {\displaystyle \mathbb {R} } whose restriction to each fibre is a linear functional on the tangent space...
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  • Thumbnail for Affine connection
    provides a way to identify the tangent planes at different points along the curve: in particular, a tangent vector in the tangent space at one point on the...
    58 KB (7,693 words) - 14:11, 3 July 2024
  • mathematics, the covariant derivative is a way of specifying a derivative along tangent vectors of a manifold. Alternatively, the covariant derivative is a way...
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  • Thumbnail for Exponential map (Lie theory)
    complex plane is a Lie group (called the circle group) whose tangent space at 1 can be identified with the imaginary line in the complex plane, { i t :...
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  • Thumbnail for Parallel transport
    with an affine connection (a covariant derivative or connection on the tangent bundle), then this connection allows one to transport vectors of the manifold...
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  • any vectors a, a′, b, and b′ in the uv plane, and any real numbers μ and λ. In particular, the length of a tangent vector a is given by ‖ a ‖ = g ( a ,...
    56 KB (8,863 words) - 13:48, 18 April 2025