THEORY OF COMPUTATION Q3: Find a regular expression equivalent to the language recognized by the following NFA. Showall steps.91a9294a,b,cE95a,εb.c9396

Understanding the NFA:* The NFA has three states: q0 (starting state), q1, and q3 (accepting…

Answered: Q3: Find a regular expression…

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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Give the CFG of the following language over the alphabet {a, c, d}: The language contains the substring ccccExamples:dacdccccad, ccccda, adcccc, cdccccc
2. Find a regular expression to describe the given language: { bc, b, abc, bс?, ..., а"bс, bc", ... }
Design a one-way DFA that recognizes the language. Include the formal definition of the machine
027. Design a CFG for the language of non- palindromes over (a, b}. Find the derivations for the strings abab and ababaa. e
Design a regular expression which recognizes the language L={w | every 4th symbol pair of w is the same as the previous pair and |w| = 2n} over the alphabet E= {a,b}, and explain your design.
Construct regulargrammars for the following language { w E {a,b}* / w starts and ends with aaand contains bbbas substring}
Consider the CFGS -> aS | bbProve that this generates the language defined by the regular expression a*bb.
Find the DFA and the regular expression! 1. Find regular expressions for the following languages on (a, b}. A. L= {w: | mod 3 ‡ 0}.
Write Regular Expression for the language having strings ax, bx, cx, aax, bbx, ccx, aaax, bbbx, cccx,
Describe the language denoted by the following regular expressions and Provide Transition Diagrams: Regular Expression: ((ε | a)b*)*
Give a CFG that generates the language defined by the regular expression ((ab* a) | (b(aa)*b))+ over the alphabet {a,b}. Show how you would modify your CFG for the regular expression ((ab*a) | (b(aaa)*b))+.
Write the regular expression for the language starting and ending with b and not having consecutive c's over ∑ = {a,b,c}

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Q3: Find a regular expression equivalent to the language recognized by the following NFA. Show all steps. 91 a 92 94 a,b,c E 95 a,ε b.c 93 96