- two-dimensional half-plane
- двухмерная полуплоскость
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
two-dimensional half-plane
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Poincaré half-plane model — Stellated regular heptagonal tiling of the model.In non Euclidean geometry, the Poincaré half plane model is the upper half plane, together with a metric, the Poincaré metric, that makes it a model of two dimensional hyperbolic geometry.It is… … Wikipedia
Plane (geometry) — Two intersecting planes in three dimensional space In mathematics, a plane is a flat, two dimensional surface. A plane is the two dimensional analogue of a point (zero dimensions), a line (one dimension) and a space (three dimensions). Planes can … Wikipedia
Half-space — For other uses, see Half space (disambiguation). In geometry, a half space is either of the two parts into which a plane divides the three dimensional euclidean space. More generally, a half space is either of the two parts into which a… … Wikipedia
Complex plane — Geometric representation of z and its conjugate in the complex plane. The distance along the light blue line from the origin to the point z is the modulus or absolute value of z. The angle φ is the argument of z. In mathematics … Wikipedia
half space — noun a) A broad step between flights of a stair b) Any of the two parts of three dimensional space divided by a plane … Wiktionary
N-dimensional space — In mathematics, an n dimensional space is a topological space whose dimension is n (where n is a fixed natural number). The archetypical example is n dimensional Euclidean space, which describes Euclidean geometry in n dimensions.Many familiar… … Wikipedia
Euclidean plane isometry — In geometry, a Euclidean plane isometry is an isometry of the Euclidean plane, or more informally, a way of transforming the plane that preserves geometrical properties such as length. There are four types: translations, rotations, reflections,… … Wikipedia
Three-dimensional chess — Not to be confused with chess software with a 3D rendering Raumschach diagram|= tright| =5 |rd|nd|kd|nd|rd|=4 |pd|pd|pd|pd|pd|=3 | | | | | |=2 | | | | | |=1 | | | | | |= Ea Eb Ec Ed Ee5 |bd|sd|qd|bd|sd|=4 |pd|pd|pd|pd|pd|=3 | | | | | |=2 | | | |… … Wikipedia
G-Man (Half-Life) — General CVG character width=180px name=The G Man caption=Left: The G Man, as he appears in Half Life. Right: His appearance in and after Half Life 2 series=Half Life firstgame= Half Life voiceactor=Michael Shapiro inuniverse=The G Man, voiced by… … Wikipedia
Complex number — A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane. Re is the real axis, Im is the imaginary axis, and i is the square root of –1. A complex… … Wikipedia
Projective transformation — A projective transformation is a transformation used in projective geometry: it is the composition of a pair of perspective projections. It describes what happens to the perceived positions of observed objects when the point of view of the… … Wikipedia
