For each of the following languages, prove that it is not regular.1. L1 = {an*+5 : n > 0}2. L2 = {vuvR : v, u E {a, b}*, [u| = 2}3. L4 = {a'b'c* : i > 2j + 3k}Extra practice questionsThe following question is for extra practice, and will not be marked.Is the language {a*b°c* : i > 0, j > k > 0} regular? Prove or disprove your answer.

Answer 1: L1={an3+5:n≥0} 1. Assume that L1 is regular. 2. Lets take n=2. Then pumping length : L1…

Answered: For each of the following languages,…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Let L₁ = {aa, bb}, L₂ = {A, a, aa}, L3 = {x | x = {a,b}* ^ |x| ≤ 3} = {A, a, b, aa, ab, ba, bb, aaa, aab, aba, abb, baa, bab, bba, bbb}. Evaluate: (L₁n L3) · L2 = •
Could you make it in C++ language?
Q3: Superheroes Supervillains are tired of Toronto condo rental prices, so they are leaving Toronto for Mississauga. Luckily, we have valiant superheroes that can deal with them. The superhero () has a name , an intelligence score , and a strength score .ni-th0 = gin[x] + s[x] Detective Zingaro has asked for your help. For each of the supervillains, tell him the name of the superhero that should deal with that supervillain. Note: A superhero can be assigned to multiple supervillains (or none at all). Note: whenever there are multiple superheroes that satisfy the given requirements for a supervillain, report the one whose name is lexicographically smallest (i.e. the one that’s the smallest according to Python’s ordering of strings). It’s guaranteed that superheroes have distinct names. Hint: Tuples of multiple elements may be helpful here. In python, you can compare two tuples and . If and are different, the result is the same as comparing and . If and are equal, the result is the same…
2.a Σ : {c,A,G,T}, L = { w : w = CAG™T™C, m = j + n }. For example, CAGTTC E L; CTAGTC ¢ L because the symbols are not in the order specified by the characteristic function; CAGTT ¢ L because it does not end with c; and CAGGTTC € L because the number of T's do not equal the number of A's plus the number of G's. Prove that L¢ RLs using the RL pumping theorem.
Send me help with my Assignment1. Write the Algorithm for this c program.
1. Determine |A|, where: {z} b. A = {{z}} _d. A = {z, {z}, {z, {z}}} _e. A = P({z}) _f. A = P({Ø,z}) a. A = _c. A = {z, {z}}
4. Which of the following statements is NOT correct? (a) If LR is regular, then L is regular. ( b) If L is regular, then L is regular. (c) If L∗ is regular, then L is regular. ( d) If L is finite, then L is regular
Explain with an example the situation where using read() is appropriate andalso an example where readlines() is appropriate.
4. Hangman game in Matlab Requirements: Must be a console program Characters are in mixed case (upper and lower case, where A < Z < a < z) but they should be treated similarly when the user make guesses Randomly select a word from a list of words, have the user guess characters in the For each character they guess that is not in the word, have it draw another part of a man hanging in a If the picture is completed before they guess all the characters, they lose. Tips: You can use the following statements to illustrate the hang man: disp(' '); disp('| | '); disp('| 0 '); disp('| /|\ '); disp('| / \ '); disp('| '); disp('| '); * do this question using octave
!
Write regular expression for: Σ = {a,b} L = {all words that can be of any length and only have one letter b in them} Using + as ONE or more occurences Using * as ZERO or more occurences Using () for grouping
Quadratic Root Solver For a general quadratic equation y = ax? + bx + c, the roots can be classified into three categories depending upon the value of the discriminant which is given by b2 - 4ac First, if the discriminant is equal to 0, there is only one real root. Then, if the discriminant is a positive value, there are two roots which are real and unequal. The roots can be computed as follows: -b+ Vb? – 4ac 2a Further, if the discriminant is a negative value, then there are two imaginary roots. In this case, the roots are given by b ь? - 4ас 2a 2a Programming tasks: A text file, coeff.txt has the following information: coeff.txt 3 4 4 4 1 4 Each line represents the values of a, b and c, for a quadratic equation. Write a program that read these coefficient values, calculate the roots of each quadratic equation, and display the results. Your program should perform the following tasks: • Check if the file is successfully opened before reading • Use loop to read the file from main…

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