We wish to build the simplest possible automaton for L = {xcx: x is in (a+b)*}.Note there are two copies of x separated by a special center symbol 'c', e.g.,"baacbaa". What is the simplest automaton for deciding L?A. We can decide L using only an NFA.B. We can decide L using a deterministic PDA.C. We need at least a nondeterministic PDA for deciding L.D. We need at least a Turing machine for deciding L.

Given L = {xcx : x is in {a+b}+} to decide whether a string w belongs to L or not, we need to check…

Answered: We wish to build the simplest possible…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Let's revisit our first problem, where we want to set up a series of chess matches so we can rank six players in our class. As we did before, we will assume that everyone keeps their chess rating a private secret; however, when two players have a chess match, the person with the higher rating wins 100% of the time. But this time, we are only interested in identifying the BEST of these six players and the WORST of these six players. (We don't care about the relative ordering or ranking of the middle four players.) Your goal is to devise a comparison-based algorithm that is guaranteed to identify the player with the highest rating and the player with the lowest rating. Because you are very strong at Algorithm Design, you know how to do this in the most efficient way. Here are five statements. A. There exists an algorithm to solve this problem using 6 matches, but there does not exist an algorithm using only 5 matches. B. There exists an algorithm to solve this problem using 7 matches,…
Show L = { w | w is an element of {0, 1, 2}* and (the number of 0s in w ≥ the number of 1s in w) and ((the number of 0s + the number of 1s in w) divides the number of 2s in w) } is not context free. You should assume that p is the pumping length and for any string s in L with |s| ≥ p, s can be broken into 5 pieces, s = uvxyz.
I'm having a difficult time with this problem. Could you lend me a hand in understanding it? I'd appreciate a step-by-step explanation, along with insights into how you arrived at the solution. here is the question I need help with:4.3 Let ALLDFA = {<A> | A is a DFA and L(A) = Σ∗ }. Show that ALLDFA is decidable
It is straightforward and efficient to compute the union of two sets using Boolean values. We may create a new union set by Oring the matching items of the two BitArrays since the union of two sets is a combination of the members of both sets. At other words, if the value in the corresponding place of either BitArray is True, a member is added to the new set.Computing the intersection of two sets is analogous to computing the union, except that the And operator is used instead of the Or operator Using the same technique we used to detect the difference, we can determine if one set is a subset of another. For example, if:setA(index) && !(setB(index))evaluates to False then setA is not a subset of setB.The BitArray Set ImplementationWrite The code for a CSet class based on a BitArray.
Consider the following finite-state automaton A over E = {a, b, c}: A = (E, {qo, 91; 92, 93 } , 8, 90, {92}) %3D where d = {(q0, a, q1), (q1, b, q0), (q1, b, q2), (q2, a, 91), (92, b, q2), (q2, a, q3), (q3, c, q3), (q3, a, q2)}. Draw the automaton A as a transition graph.
The support functions For the next few questions, we'll be working on finding the roots for the following quadratic equation: f(x)=x²-1.5 which has the derivative: f'(x)=2r Before we get started on the root-finding, however, you are to write two functions that will come in handy later: f(x), which takes a number or numpy array x and returns f(x) as defined above. f_prine(x), which takes a number or numpy array x and returns f'(x) as defined above. Paste these two functions into the answer box below. Note: Each function can easily be written using just a return statement. If you're doing more than this, you're probably overthinking it. For example: Test x = 2 print (f(x)) print(f_prine(x)) Result 2.5 4 Answer: (penalty regime: 0, 10, 20, ... %)
Question 4 Full explain this question and text typing work only thanks

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