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Forum Studenti
Sito dedicato agli studenti dei corsi tenuti da Massimo Gobbino and friends (qualunque corso può essere aggiunto)
Arrivato a questo punto devo vedere se ho capito: prendo ad esempio il primo esercizio di applicazioni lineari 3. Avendo le immagini di 2 elementi dell'insieme V, ho imposto un sistema così da scoprire quali combinazioni lineari delle componenti dei vettori di partenza potessero rappresentare un'ap...
segnalo alcuni refusi riscontrati nel test n.31 "Applicazioni lineari 4": - nella quarta riga i vettori indicati non sono una base ( v_2=-v_1 )...a meno che non si tratti di "trappolone" :D - nella prima colonna delle ultime due righe lo spazio dei polinomi è indicato con il simb...
nel test n.29 "Applicazioni lineari 2" ci sono alcuni refusi nella quarta e quinta riga, in particolare: - nella colonna "Applicazione" la prima y della seconda coordinata dovrebbe essere una x - nella colonna "Base di W" i vettori della base sono indicati con gli stess...
Non c'è nessuna differenza rilevante tra l'uso di una base o l'altra. Si tratta semplicemente di una scelta da fare, ed in questo caso ho optato per partire dal basso. L'unica comodità è che così uno sa che il quarto elemento della base è x^3 , sia che lo spazio considerato sia quello dei polinomi ...
Le dimensioni me le ritrovo tutte, io mi trovo diverse solo le matrici del 7° e del 17°. rispettivamente: (1 -1 0) (0 1 -1) (-1 0 1) e (4 0 0) (1 3 1) (0 0 2) (0 0 0) hai ragione...nel 7° non so cosa ho visto :shock: ...nel 17° ho perso il 2 per strada :cry: ...aggiorno la tabella in rev01 :D sai c...
Solo una piccola osservazione sulle matrici. Nel caso degli spazi di polinomi le matrici che avete scritto assumono come base quella che ha come primo elemento il monomio di grado più alto. Ad esempio nel caso di gradi minori od uguali a 3 la base che avete usato è \{x^3, x^2, x, 1\} . Nel testo in...
Le dimensioni me le ritrovo tutte, io mi trovo diverse solo le matrici del 7° e del 17°. rispettivamente: (1 -1 0) (0 1 -1) (-1 0 1) e (4 0 0) (1 3 1) (0 0 2) (0 0 0) hai ragione...nel 7° non so cosa ho visto :shock: ...nel 17° ho perso il 2 per strada :cry: ...aggiorno la tabella in rev01 :D
allego le soluzioni :?: del test n.28 "Applicazioni lineari 1" nella rev01 su segnalazione di e.rapuano sono state corrette le soluzioni del n°7 e 17 nella rev02 su segnalazione del Prof. Gobbino l'espressione delle matrici per le applicazioni tra polinomi sono state adeguate alla base ric...