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Cartesian coordinates
(Encyclopedia)CE5 Cartesian coordinates Cartesian coordinates kärtēˈzhən [key] [for René Descartes], system for representing the relative positions of points in a plane or in space. In a plane, the point P...abscissa
(Encyclopedia)abscissa: see Cartesian coordinates. ...ordinate
(Encyclopedia)ordinate: see Cartesian coordinates. ...Cartesian philosophy
(Encyclopedia)Cartesian philosophy: see Descartes, René. ...infinity
(Encyclopedia)infinity, in mathematics, that which is not finite; it is often indicated by the symbol ∞. A sequence of numbers, a1, a2, a3, … , is said to “approach infinity” if the numbers eventually b...algebraic geometry
(Encyclopedia)algebraic geometry, branch of geometry, based on analytic geometry, that is concerned with geometric objects (loci) defined by algebraic relations among their coordinates (see Cartesian coordinates). ...tensor
(Encyclopedia)tensor, in mathematics, quantity that depends linearly on several vector variables and that varies covariantly with respect to some variables and contravariantly with respect to others when the coordi...Fermat, Pierre de
(Encyclopedia)Fermat, Pierre de pyĕr də fĕrmäˈ [key], 1601–65, French mathematician. A magistrate whose avocation was mathematics, Fermat is known as a founder of modern number theory and probability theory....Descartes, René
(Encyclopedia)Descartes, René rənāˈ dākärtˈ [key], Lat. Renatus Cartesius, 1596–1650, French philosopher, mathematician, and scientist, b. La Haye. Descartes' methodology was a major influence in the trans...galactic coordinate system
(Encyclopedia)galactic coordinate system, astronomical coordinate system in which the principal axis is the galactic equator (the intersection of the plane of the Milky Way with the celestial sphere) and the refere...Browse by Subject
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