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Eudoxus of Cnidus ( Greek Eυδοξοσ) (circa 408 BC - circa 347 BC) was a Greek astronomer, mathematician, physician, scholar and friend of Plato. Since all his own works are lost, our knowledge of him is obtained from secondary sources, such as Aratus's poem on astronomy.
He was a pupil in mathematics of Archytas in Athens. In mathematical astronomy his fame is due to the introduction of the astronomical globeA globe is a three-dimensional scale model of a spheroid celestial body such as a planet, star or moon, in particular Earth, or, alternatively, a spherical representation of the sky with the stars (not the Sun, Moon, or planets, because their positions va, and his early contributions to understanding the movement of the planetA planet (from the Greek , planetes or "wanderers") is a body of considerable mass that orbits a star and that produces very little or no energy through nuclear fusion. Prior to the 1990s only nine were known (all of them in our own solar system); as of 3s.
His work on proportions shows tremendous insight into numberA number is an abstract entity used to describe quantity. There are different types of numbers. The most familiar numbers are the whole numbers {0, 1, 2,. denoted by W and the natural numbers {1, 2, 3,. used for counting and denoted by N . If the negatives; it allows rigorous treatment of continuous quantities and not just whole numbers or even rational numberIn mathematics, a rational number (or informally fraction is a ratio of two integers, usually written as the vulgar fraction a ''b where b is not zero. The set of all rational numbers is denoted by Q or in blackboard bold. Using the set-builder notation is. When it was revived by TartagliaNiccolo Fontana Tartaglia ( 1499 or 1500 December 13, 1557) was a mathematician, an engineer (designing fortifications), surveyor (of topography, seeking the best means of defense or offense) and bookkeeper from the then Republic of Venice (now Italy). and others in the 1500sCenturies: 15th century 16th century 17th century Decades: 1450s 1460s 1470s 1480s 1490s 1500s 1510s 1520s 1530s 1540s 1550s Years: 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 Events and Trends Leonardo da Vinci paints the Mona Lisa External li, it became the basis for quantitative work in science for a century, until it was replaced by the algebraic methods of Descartes.
Eudoxus invented the method of exhaustion , which was used in a masterly way by ArchimedesSee also Archimedes computer, Archimedes (disambiguation). Archimedes of Syracuse (circa 287 BC 212 BC), was a Greek mathematician, astronomer, philosopher, physicist and engineer. He was killed by a Roman soldier during the sack of the city, despite orde. The work of Eudoxus and Archimedes as precursors of calculus was only exceeded in mathematical sophistication and rigour by Newton himself.
An algebraic curve (the Kampyle of Eudoxus) is named after him