Hmm.. dobra ideja, da si narises obmocje. Res pride ta trikotnik, pa zgleda da js ne znam vec teh integralov.. a mi loh napises kako grejo integrali se pr E(X), E(Y), px(X) in py(Y)? nekak se mi ne izzide.. (2. letniki vrjetn naumo mel tega?)
Lep pozdrav, Simon -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Pater.jr Sent: Sunday, January 15, 2006 11:24 AM To: FRIClist Subject: Re: [Friclist] vis za meje sm g.Deriva vprasal....ok, on mi je samo obmocje izdal :) obmocje je x = [0,1], y = [0, x] -> iz pogoja 0 <= y <= x se pravi, da je obmocje trikotnik z oglisci (0,0), (1,0) in (1,1) ne dam pa roke v ogenj, da je tole res.... ----- Original Message ----- From: "Simon Vrhovec" <[EMAIL PROTECTED]> To: "'FRIClist'" <[email protected]> Sent: Sunday, January 15, 2006 11:15 AM Subject: RE: [Friclist] vis > zakaj meje od 0 do 1? > > pa mislim, da ti manjka se en y tam... pod integralom je xy*3x, ker je > formula E(f(X,Y))=DBL_INT{f(X,Y)*pxy(x,y)*dx*dy} tle je pa f(X,Y)=XY... al > sm se kej zamutiu.. > > Lep pozdrav, > Simon > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > Pater.jr > Sent: Sunday, January 15, 2006 11:11 AM > To: FRIClist > Subject: Re: [Friclist] vis > > to mam potem enako, imam pa meje drugace nastavljene za dvojni integral : > [int] 0d 0 do 1 [int] od 0 do x (3x) dy dx in to dobim, da je 1. Kar nej > bi > tud blo, sej je formula taka da je gostota tega 1 > > ----- Original Message ----- > From: "Simon Vrhovec" <[EMAIL PROTECTED]> > To: "'FRIClist'" <[email protected]> > Sent: Sunday, January 15, 2006 10:53 AM > Subject: RE: [Friclist] vis > > >> Ja isto ane.. npr. pr px(X) mas integral po y, se prav od 0 do x? >> >> px(X) = INT[0,x]{3x*dy} = 3x*INT[0,x]{dy} = 3x*y[0,x] = 3x*(x-0) = 3x^2 >> >> al je kj drgac? >> >> Lep pozdrav, >> Simon >> > > >
