- hyperbolae
- /hai'pə:bələ/ Cách viết khác : (hyperbolae) /hai'pə:bəli:/ (hyperbolas) /hai'pə:bələz/ * danh từ số nhiều - (toán học) Hypecbon
English-Vietnamese dictionary. 2015.
English-Vietnamese dictionary. 2015.
hyperbolae — hy·per·bo·la || haɪ pÉœrbÉ™lÉ™ / pÉœËb n. curve consisting of two separate branches (Geometry) … English contemporary dictionary
Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… … Wikipedia
Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… … Wikipedia
James Gregory — James Gregory. James Gregory (Drumoak, Aberdeenshire, noviembre de 1638 Edimburgo, octubre de 1675) fue un matemático y astrónomo escocés. Estudió en el Marischal College en Aberdeen, y en 1663 se estableció en Londres. En 1664 viajó a Italia y… … Wikipedia Español
Degenerate conic — Main article: Conic section In mathematics, a degenerate conic is a conic (degree 2 plane curve, the zeros of a degree 2 polynomial equation, a quadratic) that fails to be an irreducible curve. This can happen in two ways: either it is a… … Wikipedia
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
GEE (navigation) — GEE or AMES Type 7000 was a British radio navigation system used by the Royal Air Force during World War II. GEE was designed to improve aircraft navigation accuracy, thereby increasing the destructiveness of raids by Avro Lancasters and various… … Wikipedia
Linear system of divisors — A linear system of divisors algebraicizes the classic geometric notion of a family of curves, as in the Apollonian circles. In algebraic geometry, a linear system of divisors is an algebraic generalization of the geometric notion of a family of… … Wikipedia
Elliptic coordinates — are a two dimensional orthogonal coordinate system in which the coordinate lines are confocal ellipses and hyperbolae. The two foci F {1} and F {2} are generally taken to be fixed at a and+a, respectively, on the x axis of the Cartesian… … Wikipedia
Elliptic cylindrical coordinates — are a three dimensional orthogonal coordinate system that results from projecting the two dimensional elliptic coordinate system in theperpendicular z direction. Hence, the coordinate surfaces are prisms of confocal ellipses and hyperbolae. The… … Wikipedia
Oblate spheroidal coordinates — Figure 1: Coordinate isosurfaces for a point P (shown as a black sphere) in oblate spheroidal coordinates (μ, ν, φ). The z axis is vertical, and the foci are at ±2. The red oblate spheroid (flattened sphere) corresponds to μ=1, whereas the blue… … Wikipedia