Decide whether the following is a regular language or not. Tell why or why not. i) L = {aw1bw2| where w1 and w2 {a, b}*} (ii) L = { an| n = 2k, k ≥ 0} iii) L ={ u | u = www, w {a, b}*}
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6) Decide whether the following is a regular language or not. Tell why or why not.
i) L = {aw1bw2| where w1 and w2 {a, b}*}
(ii) L = { an| n = 2k, k ≥ 0}
iii) L ={ u | u = www, w {a, b}*}
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- L={a*b™a" | n,m=1,2,3....} is given. i) Write a CFG for the language L.Q3: Design machine M to recognize the language L= {w E (a, b)* every a in w is followed by at least two b'}3. Define set of alphabet & regular expressions + draw NFA for the languages that accepts Pakistani ID Card #. 4. Define set of alphabet & regular expressions + draw NFA for the languages that accepts Date of Birth in a format (01-Jan-1900) 5. Write regular expression + draw NFA for following language. L={int, int[], float, float[ ], char, char] } 6. Write regular expression + draw NFA for C++ function Declaration. 7. Write regular expression + draw NFA for C++ Array Declaration.
- Question 2: If L = {a,b}, evaluate the following language operations: (1) L* (11) L+3. Consider the abstract syntax for the following expression language. The constant Zero denotes 0, and the operation Succ computes successors. The operation Sum takes a list of expressions as arguments and computes its sum. IfPos returns the value of the first expression if its value is greater than 0. Otherwise, it returns the value of the second expression. You may use the function sum :: [Int] -> Int in your solution. data Expr = Zero | Succ Expr | Sum [Expr] | IfPos Expr Expr Define the semantics of the expression language as a function sem of the following type. sem :: Expr -> IntIndicate true or false of the following statements and briefly justify your answer. a) If L is a regular language, then any subset of L is a regular language. b) If L is a regular language, then L can be accepted by a PDA. c) Turning machine can accept regular languages, context free languages, recursive languages. d) If L1 L2 is a regular language, then L1 and L2 are regular languages. e) The regular expressions cab(ab)* and c(aba) *b denotes the same language. f) The regular expressions c(ab) and ca(ba) *b denotes the same language.
- {02" | n 20} 3.Prove is not a context-free languagePython Need help with code A rule has three parts: •name –a simple name for the rule (e.g., up, left, down, right) •precondition function –a Boolean function that accepts a state and returns true if the rule is applicable to state •action function –a function that accepts a state and returns the successor state obtained by applying the rule. You can use these rules to implement functions such as applicable-rule, which returns a list of the rules applicable to a given state, and successor-state, which returns the successor state for a given state and rule. Question: Encode the rules for the sliding-tile puzzle. Remember that it is easiest to consider moving the empty space up, left, down, or right. Using these rules, write routines to determine the rules applicable to a state and the successor state given a state and rule to apply. Note that you could implement these as iterators or have them return lists (or vectors) or rules and states.2.d. Construct NDPDA for the language: L= {albickd! | i=k or j=l, i, j, k, 1 >=1}
- CONVERT 1 & 2 from C++ to Python 1.NON RECURSIVE #include <iostream>using namespace std; int main(){ int days,buy_on_this_day ,sell_on_this_day; cout<<"Enter number of days: "; cin>>days; int stock_price[days]; for(int i=0;i<days;i++) { cin>>stock_price[i]; } int i=0; for(int i=0;i<days-1;i++) { //using this line we compare current price with the next day //price and find the local minima while(i<days-1 && stock_price[i+1]<=stock_price[i]) i++; if(i==days-1) break; buy_on_this_day =i++; while(i<days && stock_price[i]>= stock_price[i-1]) i++; sell_on_this_day =i-1; cout<<buy_on_this_day <<" : index of the change before which we buy"<<endl; cout<<sell_on_this_day<<" :index of the change before which we sell"<<endl; } int profit; int maxim =0; int…Computer Science Data Structures Class: (IN JAVA) Make these matrixes in the same program (A = 3x3, D = 3x3, C = 3x5) These all have to have a sequence and MUST be incorporated in the code (such as C is +2 +2 -2) D = 0,1,2,1,2,3,2,3,4 A = 1,2,3,4,5,6,7,8,9 C = %3D 1,3,5,3,5,7,5,7,9,7,9,11,9,11,13int main() { E(); C(); E(); } void B() {...} void C() {..} void D() {..} void E() { B(); D(); } A variable declared in function B and only in function B is accessible in?