The study of formal languages concerns the definition, description (generation) and parsing (recognition) of sets of strings over finite sets of symbols.
I am new to CFG's, Can someone give me tips in creating CFG that generates some language For example L = {…
grammar context-free-grammar lexical-analysis formal-languagesI need help with constructing a left-linear and right-linear grammar for the languages below? a) (0+1)*00(0+1)* b) 0*(1(0+1))* c) (((01+10)*11)*00)* For a) I …
grammar regular-language computation-theory formal-languagesI'm trying to understand the concept of languages levels (regular, context free, context sensitive, etc.). I can look this up …
syntax programming-languages bnf regular-language formal-languagesI have troubles in solving/proving this problem. Any ideas please?
regular-language dfa formal-languagesI know how each of them can be converted to one another but never really understood what their applications are. …
algorithm compiler-construction programming-languages formal-languagesI was reading about parsers and parser generators and found this statement in wikipedia's LR parsing -page: Many programming languages …
c++ parsing grammar formal-languagesI am new at R programming and I want to read a text file in R. One of the columns, …
r file file-read formal-languagesI read this in a book on computability: (Kleene's Theorem) A language is regular if and only if it can …
regular-language finite-automata formal-languages computability kleene-starI was wondering what the difference between recursive and recursively enumerable languages is in terms of halting and Turing Machines. …
computer-science theory computation-theory turing-machines formal-languagesProduce a PDA to recognise the following language : the language of strings containing more a's than b's I have been …
automata formal-languages pushdown-automaton