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- The harmonic coordinate condition is one of several coordinate conditions in general relativity, which make it possible to solve the Einstein field equations...7 KB (1,367 words) - 13:58, 19 October 2021
- fixing. Thus, coordinate conditions are a type of gauge condition. No coordinate condition is generally covariant, but many coordinate conditions are...9 KB (1,166 words) - 23:25, 28 October 2023
- General covariance (redirect from General coordinate invariance)covariant derivative General covariant transformations Harmonic coordinate condition Inertial frame of reference Lorentz covariance Principle of covariance...6 KB (657 words) - 00:01, 23 May 2024
- formally precise statement of the condition, it is necessary to define the following quantities: Spatial coordinate: one of the coordinates of the physical...9 KB (1,083 words) - 16:51, 24 January 2024
- Harmonic coordinates (redirect from Harmonic coordinate system)relativity by Albert Einstein and Cornelius Lanczos (see harmonic coordinate condition). Following the work of Dennis DeTurck and Jerry Kazdan in 1981,...20 KB (2,599 words) - 17:47, 29 January 2024
- Curvilinear coordinates (redirect from Parametric coordinate)In geometry, curvilinear coordinates are a coordinate system for Euclidean space in which the coordinate lines may be curved. These coordinates may be...52 KB (8,289 words) - 07:39, 16 May 2024
- spacetime coordinate system relative to an implied observer. In many (but not all) coordinate systems, an event is specified by one time coordinate and three...11 KB (1,514 words) - 16:37, 13 November 2023
- time evolution of the metric tensor. It must be combined with a coordinate condition, which is analogous to gauge fixing in other field theories. To understand...193 KB (22,611 words) - 13:25, 29 June 2024
- Homogeneous coordinates (redirect from Homogeneous coordinate)circular algebraic curves. Just as the selection of axes in the Cartesian coordinate system is somewhat arbitrary, the selection of a single system of homogeneous...25 KB (3,343 words) - 06:21, 17 December 2023
- geographic coordinate systems is made necessary by the different geographic coordinate systems in use across the world and over time. Coordinate conversion...34 KB (5,200 words) - 12:36, 3 June 2024
- invariance of the form of physical laws under arbitrary differentiable coordinate transformations, which is an important idea in general relativity. Invariance...27 KB (3,280 words) - 17:24, 1 March 2024
- A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of...21 KB (2,803 words) - 22:28, 19 June 2024
- no-slip condition is a boundary condition which enforces that at a solid boundary, a viscous fluid attains zero bulk velocity. This boundary condition was...8 KB (1,102 words) - 01:38, 8 July 2024
- In mathematics, the real coordinate space or real coordinate n-space, of dimension n, denoted Rn or R n {\displaystyle \mathbb {R} ^{n}} , is the set...31 KB (4,248 words) - 13:58, 12 February 2024
- Holonomic basis (redirect from Coordinate basis)In mathematics and mathematical physics, a coordinate basis or holonomic basis for a differentiable manifold M is a set of basis vector fields {e1, .....4 KB (465 words) - 14:36, 24 September 2023
- Invariant (mathematics) (redirect from Coordinate system invariant)The principal invariants of tensors do not change with rotation of the coordinate system (see Invariants of tensors). The singular values of a matrix are...23 KB (2,760 words) - 17:41, 25 May 2024
- Vector space (redirect from Coordinate space)on the basis. One also says that the n-tuple of the coordinates is the coordinate vector of v on the basis, since the set F n {\displaystyle F^{n}} of the...87 KB (11,431 words) - 03:03, 8 July 2024
- evolving variables, which together can be denoted by an n-dimensional coordinate vector), generally nk initial conditions are needed in order to trace...9 KB (1,362 words) - 17:34, 23 August 2023
- dk_{x}\,dk_{y}\,.} At this point another coordinate transformation can be proposed (i.e., the Abbe sine condition) relating the object plane wavenumber spectrum...7 KB (1,126 words) - 06:35, 4 July 2024
- In geometry, a barycentric coordinate system is a coordinate system in which the location of a point is specified by reference to a simplex (a triangle...44 KB (8,186 words) - 17:45, 19 June 2024
- it is hereby ordered as follows: (a) There is hereby established a Coordinating Committee for Sub-Saharan Africa (“the Committee”). (b) The Committee
- administrative command of middle and top executives to monitor, evaluate, and coordinate the work of managers responsible for the day-to-day operations. It meant
- 'calling the sub SUB animation SCREEN 7 x = 10 'set first x- coordinate y = 10 'set first y-coordinate DO CLS ' going back to a blank screen so that the previous