focal hyperbola
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Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
Conic section — Types of conic sections: 1. Parabola 2. Circle and ellipse 3. Hyperbola … Wikipedia
Kepler orbit — Gravitational attraction is the force that makes the Solar system stick together with the planets orbiting the Sun and the Moon orbiting the Earth. Isaac Newton formulated the physical law for this gravitational attraction which explained Kepler… … Wikipedia
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
conic section — Geom. a curve formed by the intersection of a plane with a right circular cone; an ellipse, a circle, a parabola, or a hyperbola. Also called conic. [1655 65] * * * Any two dimensional curve traced by the intersection of a right circular cone… … Universalium
Parabola — For other uses, see Parabola (disambiguation). A parabola … Wikipedia
Dandelin spheres — are touching the light blue plane that intersects the cone. In geometry, the Dandelin spheres are one or two spheres that are tangent both to a plane and to a cone that intersects the plane. The intersection of the cone and the plane is a conic… … Wikipedia
Bipolar cylindrical coordinates — are a three dimensional orthogonal coordinate system that results from projecting the two dimensional bipolar coordinate system in theperpendicular z direction. The two lines of foci F {1} and F {2} of the projected Apollonian circles are… … Wikipedia
Apollonius of Perga — Apollonius of Perga. Apollonius of Perga [Pergaeus] (Ancient Greek: Ἀπολλώνιος) (ca. 262 BC – ca. 190 BC) was a Greek geometer and astronomer noted for his writings on conic sections. His innovative methodology and terminology, especially in the… … Wikipedia
Hipérbola — Las asíntotas de la hipérbola se muestran como líneas discontinuas azules que se cortan en el centro de la hipérbola (curvas rojas), C. Los dos puntos focales se denominan F1 y F2, la línea negra que los une es el eje transversal. La delgada… … Wikipedia Español
Apollonius of Perga — born с 240 BC, Perga, Anatolia died с 190 BC, Alexandria, Egypt Mathematician known as The Great Geometer. His Conics was one of the greatest scientific treatises of the ancient world. In it he introduced the terms parabola, ellipse, and… … Universalium
