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About: Jean Paul de Gua de Malves     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatFrenchPeople, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingpersonyago:WikicatPeopleFromCarcassonneyago:Associate109816771yago:CausalAgent100007347yago:Colleague109935990yago:Geometer110128016yago:Linguist110264219yago:LivingThing100004258yago:Mathematician110301261yago:Object100002684yago:Organism100004475yago:Peer109626238yago:Person100007846yago:PhysicalEntity100001930yago:WikicatFrenchTranslatorsyago:WikicatGeometersyago:YagoLegalActoryago:YagoLegalActorGeoyago:Scientist110560637yago:Translator110725280yago:Whole100003553yago:Wikicat18th-centuryFrenchMathematiciansyago:Wikicat18th-centuryMathematiciansyago:WikicatEnglish–FrenchTranslatorsyago:WikicatFellowsOfTheRoyalSocietyyago:WikicatFrenchMathematiciansyago:WikicatFrenchPeople New Facet based on Instances of this Class

Jean Paul de Gua de Malves (1713, Malves-en-Minervois (Aude) – June 2, 1785, Paris) was a French mathematician who published in 1740 a work on analytical geometry in which he applied it, without the aid of differential calculus, to find the tangents, asymptotes, and various singular points of an algebraic curve. He further showed how singular points and were affected by conical projection. He gave the proof of Descartes's rule of signs which is to be found in most modern works. It is not clear whether Descartes ever proved it strictly, and Newton seems to have regarded it as obvious.