Dsy Network www | forum | my | didattica | howto | wiki | el goog | stats | blog | dona | rappresentanti
Homepage
 Register   Calendar   Members  Faq   Search  Logout 
.dsy:it. : Powered by vBulletin version 2.3.1 .dsy:it. > Didattica > Corsi G - M > Linguaggi formali e automi > Domanda Veloce Esempio 3.2
Pages (2): « 1 [2]   Last Thread   Next Thread
Author
Thread    Expand all | Contract all    Post New Thread    Post A Reply
Collapse
habbiu
Sò Foort!

User info:
Registered: Jun 2005
Posts: 113 (0.01 al dì)
Location: Milano!!
Corso: comunicazione digitale
Anno: 3
Time Online: 1 Day, 2:24:05: [...]
Status: Offline

Post actions:

Edit | Report | IP: Logged

mm ritornando a quello che ha detto sara,allo stesso esempio intendo..

perkè in quell'esempio nella prima derivazione in piu passi si passa da S=>* a^(n-1)S(BC)^(n-1)

perchè c'è n-1??

19-07-2009 12:34
Click Here to See the Profile for habbiu Click here to Send habbiu a Private Message Find more posts by habbiu Add habbiu to your buddy list Printer Friendly version Email this Article to a friend Reply w/Quote
Collapse
mari12
.consigliere.

User info:
Registered: Nov 2002
Posts: 105 (0.01 al dì)
Location:
Corso: informatica
Anno:
Time Online: 1 Day, 12:26:55 [...]
Status: Offline

Post actions:

Edit | Report | IP: Logged

Perchè la derivazione è iterata, cioè applica la regola S->aSBC n-1 volte. Questo per sistemare il numero di a. Per esempio, se avessi aˆ3 bˆ3 cˆ3, verrebbe:
S->aSBC->aaSBC , ora applichi la regola S->aBC come dice al passaggio 2 , quindi S->aaaBC e continui per ottenere poi il numero giusto di b e di c.

20-07-2009 12:44
Click Here to See the Profile for mari12 Click here to Send mari12 a Private Message Find more posts by mari12 Add mari12 to your buddy list Printer Friendly version Email this Article to a friend Reply w/Quote
All times are GMT. The time now is 21:43.    Post New Thread    Post A Reply
Pages (2): « 1 [2]   Last Thread   Next Thread
Show Printable Version | Email this Page | Subscribe to this Thread | Add to Bookmarks

Forum Jump:
Rate This Thread:

Forum Rules:
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is OFF
vB code is ON
Smilies are ON
[IMG] code is ON
 

Powered by: vBulletin v2.3.1 - Copyright ©2000 - 2002, Jelsoft Enterprises Limited
Mantained by dsy crew (email) | Collabora con noi | Segnalaci un bug | Archive | Regolamento | Licenze | Thanks | Syndacate
Pagina generata in 0.050 seconds (63.47% PHP - 36.53% MySQL) con 23 query.