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Funzioni 2 variabili

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Analisi Matematica 2By topic

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e)verticare,cheteetestateneutrettoreente.Stallineacastand bareBartonormatediautoretto: rediT-,coni= (1,-1,9)4.Saverilacherap-preventorl'applicazioneI ispettoalleberetrovata.T e)Stabilireseesisteuna matricediagonalechesie similiallematriceA5. 26/04/2023 1)Informazioniattifuilcaldodeisemitidifunzioniin davorrabli . Uneiniterestealafunzioneècontinuaevendefinitarinanenteroduepuntolimite. umx+ y+ 4- y3=1+ 0+ 4- 05 (,y)a(1,). UnlamiteNONESISTEI entariopercandidatiemiti"diver--- Tipicamenteanmododaaccorgereidiquesteeventualitàe quellodiprovereadamicinarsialpuntolimitelangouna famigliedeS are note(rette,peraede)dipendentidaunpacometro Te m p i oun my)a10,0)=[8] y= mx f(ny)= x+ y f(x,mx)= estex- - x- y x- mx canfiny)- af(x,mx)= am)= Am(ny)a(0,0) -(1- m)1- m xm=2 enif(x,y)= - 3em= 1umif(x,y)=0 estD RX =>Ilimiteassegnato· Moltilimitisonoamplificatiadampiocambiandolecoor dinate E x=x + Icost figa)y=0+ gsinoa,beR emfluy)=eani ges(ny)-(a,n) fot &(9c0s0,gsino)abesdopoilcambiodicondinatelafunzioneIdipende dodaO,alloraillimitenon esite b)erdopoilcambiodicordinategdependesicdaIche dao,alloraènecessariolavorareanteriormenteadis temitepotrebbesinexsteredanonensters Es:linmy)+10,0)y= [8](redunacciowaltoalezione(·un My)+100)ityr=[8]passoalcaldoincoordinate polari: si119,0)- - g"co"O+grointe eanf(9,0)=gtnotsincegenere990 questolimitenon esiste:NONPOSSOCONSIDERAREteilsintoaldenominaton!!! un xy)-10,0y= pertantoi limitef(0,y)=0 f(xp)= nãodatonewenti · geaco,anty)=[ E a= 100f(9,0)= Ry= gsino ga inf(9,0)= ge,lag== 1 pertantoilsemiteexiste. c)Inaltresituazionièpossibileancheaticizzareisto=remedelconfronto: l= (f(x,y))= g(x,y)ele q(x,y)=e (x,y)a(xo,y0)con efinitoalloraanche Him f(x,y)=2 (7,y)+(20,y0) If(x,y)(g(n,y) My)- (20,y0)8MY)= + o alloramun (ny)-(20,yos(My)= t 1)Calcolarea100)myllaguity=…

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