Search for "Rotation" in article titles:

1. Rotation: A special kind of motion, for which at least one point in space remains at rest. If the rotation is in a plane, the fixed point is called the centre of the rotation; if the rotation is in space, the ... (Mathematics) [100%] 2023-12-29
2. Rotation: Rotation, or spin, is the circular movement of an object around a central axis. A plane figure can rotate in either a clockwise or counterclockwise direction around a perpendicular central axis intersecting anywhere inside or outside the figure. (Physics) [100%] 2023-10-10 [Rotation] [Euclidean geometry]...
3. Rotation: Rotation or rotational motion is the circular movement of an object around a central line, known as axis of rotation. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersecting anywhere inside or ... (Movement of an object around an axis) [100%] 2023-12-28 [Rotation] [Euclidean geometry]...
4. Rotation period: The rotation period of a celestial object (e.g., star, gas giant, planet, moon, asteroid) may refer to its sidereal rotation period, i.e. the time that the object takes to complete a single revolution around its axis of rotation ... (Time that it takes to complete one revolution relative to the background stars) [70%] 2023-11-04 [Rotation] [Time in astronomy]...
5. Rotation method: Jacobi method A method for the solution of the complete problem of eigenvalues for a Hermitian matrix, based on a similarity transformation of the Hermitian matrix to diagonal form using a sequence of planar rotations. The rotation method is an ... (Mathematics) [70%] 2023-10-25
6. Rotation theorems: Theorems which characterize the change in the argument under a conformal mapping. Rotation theorems in the class $ S $ of functions $ f( z) = z + c _ {2} z ^ {2} + \dots $ which are regular and univalent in the disc $ | z | < 1 $ give ... (Mathematics) [70%] 2024-01-26
7. Rotation surface: surface of rotation, rotational surface A surface generated by the rotation of a plane curve $ L $ around an axis in its plane. If $ L $ is defined by the equations $ \rho = \rho ( u) $, $ z = z( u) $, the position vector of the ... (Mathematics) [70%] 2023-09-06
8. Rotation matrix: In mathematics and physics a rotation matrix is synonymous with a 3×3 orthogonal matrix, which is a matrix R satisfying where T stands for the transposed matrix and R is the inverse of R. In general a motion of ... [70%] 2023-06-28
9. Rotation (music): In broadcasting, rotation is the repeated airing of a limited playlist of songs on a radio station or satellite radio channel, or music videos on a TV network. They are usually in a different order each time. (Music) [70%] 2023-12-31 [Radio terminology]
10. Rotation map: In mathematics, a rotation map is a function that represents an undirected edge-labeled graph, where each vertex enumerates its outgoing neighbors. Rotation maps were first introduced by Reingold, Vadhan and Wigderson (“Entropy waves, the zig-zag graph product, and ... [70%] 2023-11-27 [Graph operations]
11. Rotation map: In mathematics, a rotation map is a function that represents an undirected edge-labeled graph, where each vertex enumerates its outgoing neighbors. Rotation maps were first introduced by Reingold, Vadhan and Wigderson (“Entropy waves, the zig-zag graph product, and ... [70%] 2022-11-23 [Extensions and generalizations of graphs] [Graph operations]...
12. Rotation indicatrix: rotation diagram One of the twelve Darboux surfaces associated with the infinitesimal deformation of a surface. It is the set of points in space described by a position vector $ \mathbf y $ which are parallel to the rotation vector (instantaneous angular ... (Mathematics) [70%] 2023-09-12
13. Rotation flap: A rotation flap is a semicircular skin flap that is rotated into the defect on a fulcrum point. Rotation flaps provide the ability to mobilize large areas of tissue with a wide vascular base for reconstruction. [70%] 2023-04-24 [Plastic surgery]
14. Rotation matrix: In linear algebra, a rotation matrix is a transformation matrix that is used to perform a rotation in Euclidean space. For example, using the convention below, the matrix rotates points in the xy plane counterclockwise through an angle θ about the ... (Matrix representing a Euclidean rotation) [70%] 2024-02-09 [Transformation (function)] [Matrices]...
15. Rotation (mathematics): Rotation in mathematics is a concept originating in geometry. Any rotation is a motion of a certain space that preserves at least one point. (Mathematics) [70%] 2023-12-29 [Euclidean symmetries] [Rotational symmetry]...
16. Differentielle Rotation: Von differentieller Rotation (Superrotation) spricht man, wenn die Winkelgeschwindigkeit eines rotierenden Körpers/Systems je nach Breitengrad des betrachteten Punktes oder seiner Entfernung von der Rotationsachse unterschiedlich ist, der Körper sich also nicht überall gleich schnell dreht. Dies ist bei Festkörpern ... [70%] 2023-05-18
17. Rotation (mathematics): Rotation in mathematics is a concept originating in geometry. Any rotation is a motion of a certain space that preserves at least one point. (Mathematics) [70%] 2023-12-28 [Euclidean symmetries] [Rotational symmetry]...
18. Rotation number: This page is deficient and requires revision. Please see Talk:Rotation number for further comments. (Mathematics) [70%] 2023-10-17
19. Rotation (aeronautics): In aviation, rotation refers to the action of applying back pressure to a control device, such as a yoke, side-stick or centre stick, to lift the nose wheel off the ground during takeoff. The aircraft rotates around its lateral ... (Aeronautics) [70%] 2023-12-29 [Flight phases]
20. Common Rotation: Common Rotation is an American indie folk rock band consisting of Eric Kufs, (vocals, guitar), Adam Busch (vocals, saxophone, harmonica, glockenspiel), and Jordan Katz (vocals, trumpet, banjo). The three are childhood friends from New York City and have been making ... [70%] 2023-09-25 [Indie rock musical groups from New York (state)]
21. Rotation Curation: Rotation Curation, also #RotationCuration, is the concept of rotating the spokesperson on a broad scoped social media account. Such a scope can be a location, a country, an organization, a group, and so on. (Social) [70%] 2023-04-09
22. Rotation theorems: Theorems which characterize the change in the argument under a conformal mapping. Rotation theorems in the class $ S $ of functions $ f( z) = z + c _ {2} z ^ {2} + \dots $ which are regular and univalent in the disc $ | z | < 1 $ give ... (Mathematics) [70%] 2023-10-21
23. Rotation theory: Rotation Theory is a part of the Dynamical Systems Theory. It deals with ergodic averages and their limits, not only for almost all points, like in Ergodic Theory, but for all points. [70%] 2021-12-21 [Mappings] [Dynamical Systems]...
24. Synchronous Rotation: A satellite is said to rotate synchronously if the period of its rotation about its axis is the same as the period of its orbit around its primary. This implies that the satellite always keeps the same hemisphere facing its ... [70%] 2023-03-08 [Astronomy]
25. Rotation vectorielle: Soit E un espace vectoriel euclidien. Une rotation vectorielle de E est un élément du groupe spécial orthogonal SO(E). [70%] 2024-04-11
26. Rotation government: A rotation government or alternation government is one of the ways of forming of a government in a parliamentary state. It is a government that, during its term, will see the individual holding the post of prime minister switch (or ... (Government with changing heads) [70%] 2024-08-02 [Rotation governments] [Political science terminology]...
27. BSG Rotation Babelsberg: Die BSG Rotation Babelsberg war eine Betriebssportgemeinschaft (BSG) im Potsdamer Stadtteil Am Stern. Die Betriebssportgemeinschaft wurde 1949 unter dem Namen BSG „Märkische Volksstimme“ Babelsberg gegründet und 1950 in BSG Rotation Babelsberg umbenannt. [57%] 2024-01-19
28. Rotation of axes: In mathematics, a rotation of axes in two dimensions is a mapping from an xy-Cartesian coordinate system to an x′y′-Cartesian coordinate system in which the origin is kept fixed and the x′ and y′ axes are obtained ... (Transformation of coordinates through an angle) [57%] 2023-04-24 [Functions and mappings] [Euclidean geometry]...
29. Rotation operator (quantum mechanics): This article concerns the rotation operator, as it appears in quantum mechanics. With every physical rotation \displaystyle{ R }[/math], we postulate a quantum mechanical rotation operator \displaystyle{ D(R) }[/math] which rotates quantum mechanical states. (Physics) [50%] 2023-03-27 [Rotational symmetry] [Quantum mechanics]...
30. Rotation of the Earth: The rotation of the Earth (and its change over time) is significant because it is evidence for an old Earth, yet Young earth creationists (YECs) try to use it as evidence for a young one. There are two separate lines ... [50%] 2023-05-24 [Creationist claims] [Evidence against a recent creation]...
31. Improper rotation: In geometry, an improper rotation (also called rotation-reflection, rotoreflection, rotary reflection, or rotoinversion) is an isometry in Euclidean space that is a combination of a rotation about an axis and a reflection in a plane perpendicular to that axis ... (Rotation composed with a reflection) [70%] 2023-11-23 [Euclidean symmetries] [Lie groups]...
32. Givens rotation: In numerical linear algebra, a Givens rotation is a rotation in the plane spanned by two coordinates axes. Givens rotations are named after Wallace Givens, who introduced them to numerical analysts in the 1950s while he was working at Argonne ... [70%] 2023-05-06 [Matrices] [Numerical linear algebra]...
33. Tire rotation: Tire rotation is the practice of moving the wheels and tires of an automobile from one position to another, to ensure even tire wear. Even tire wear extends the useful life of a set of tires, but the value of ... (Engineering) [70%] 2023-01-07 [Automobile wheels] [Tires]...
34. Optical rotation: Optical rotation, also known as polarization rotation or circular birefringence, is the rotation of the orientation of the plane of polarization about the optical axis of linearly polarized light as it travels through certain materials. Circular birefringence and circular dichroism ... (Physics) [70%] 2023-11-07 [Polarization (waves)] [Stereochemistry]...
35. Terrell rotation: Terrell rotation or Terrell effect is the visual distortion that a passing object would appear to undergo, according to the special theory of relativity if it were travelling at a significant fraction of the speed of light. This behaviour was ... (Effect in special relativity) [70%] 2023-06-12 [Special relativity]
36. Stellar rotation: Stellar rotation is the angular motion of a star about its axis. The rate of rotation can be measured from the spectrum of the star, or by timing the movements of active features on the surface. (Angular motion of a star about its axis) [70%] 2023-06-07 [Stellar astronomy] [Rotation]...
37. Vector rotation: Vector rotations are widely used not only in the sciences, such as physics, chemistry and mathematics, but are critical for graphics computations in video game programs and navigation in space. A typical example used in computer games would be calculating ... [70%] 2023-06-13
38. Terrell rotation: Terrell rotation or Terrell effect is the visual distortion that a passing object would appear to undergo, according to the special theory of relativity if it were travelling at a significant fraction of the speed of light. This behaviour was ... (Physics) [70%] 2023-07-04 [Special relativity]
39. Irrational rotation: In the mathematical theory of dynamical systems, an irrational rotation is a map where θ is an irrational number. Under the identification of a circle with R/Z, or with the interval [0, 1] with the boundary points glued together, this ... (Rotation of a circle by an angle of π times an irrational number) [70%] 2022-06-26 [Dynamical systems] [Irrational numbers]...
40. Varimax rotation: In statistics, a varimax rotation is used to simplify the expression of a particular sub-space in terms of just a few major items each. The actual coordinate system is unchanged, it is the orthogonal basis that is being rotated ... (Concept in statistics) [70%] 2024-01-13 [Factor analysis]
41. Stock rotation: Stock rotation is a way of mitigating stock loss. It is the practice, used in hospitality and retail, especially in food stores such as restaurants and supermarkets, of moving products with an earlier sell-by date to the front of ... (Finance) [70%] 2023-02-28 [Retailing terminology]
42. Wigner rotation: In theoretical physics, the composition of two non-collinear Lorentz boosts results in a Lorentz transformation that is not a pure boost but is the composition of a boost and a rotation. This rotation is called Thomas rotation, Thomas–Wigner ... (Physics) [70%] 2023-11-04 [Special relativity] [Coordinate systems]...
43. Job rotation: Job rotation is a technique used by some employers to rotate their employees' assigned jobs throughout their employment. Employers practice this technique for a number of reasons. (Social) [70%] 2023-11-01 [Human resource management]
44. Irrational rotation: In the mathematical theory of dynamical systems, an irrational rotation is a map where θ is an irrational number. Under the identification of a circle with R/Z, or with the interval [0, 1] with the boundary points glued together, this ... (Rotation of a circle by an angle of π times an irrational number) [70%] 2023-02-25 [Dynamical systems] [Irrational numbers]...
45. Ad rotation: Ad rotation is the practice of showing multiple advertisements in a single location on a web page. Ads may be rotated with each new page load, within a single page load, or both. (Finance) [70%] 2024-02-09 [Digital marketing]
46. Yaw (rotation): A yaw rotation is a movement around the yaw axis of a rigid body that changes the direction it is pointing, to the left or right of its direction of motion. The yaw rate or yaw velocity of a car ... (Physics) [70%] 2023-12-04 [Dynamics (mechanics)]