Question: Determine a regular expression for the language L over the alphabet {a, b} that consists of all words that have at least one b but

Determine a regular expression for the language L over the alphabet {a, b} that consists of all words that have at least one b but contain exactly one aa substring (and no other as). Example of words in the language are aab, bbbaabbb, bbbbaabbbbbbbb etc. Examples of words that are not in the language are a, aba, bbab, aaabbbb, baabbbbaabb etc.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

(a) Determine a regular expression for the language L over the alphabet {a,b} that consists of all words that have at least one b but contain exactly one aa substring (and no other as). Example of...

Will upvote for quick answer (a) Determine a regular expression for the language L over the alphabet {a,b} that consists of all words that have at least one b but contain exactly one aa substring...

( a ) Let = { a , b } . Write regular expression for the language L consisting of all strings in * that i . contain exactly one occurence of the substring a ii . contain exactly one occurence of the...

Exercise 2.16 For each of the following languages L S {a,b}", find a regular expression representing it: a) All strings that contain exactly one a. b) All strings that contain exactly two a's. c) All...

Write an alternative definition that is tail-recursive (iterative) and makes use of accumulator variables. [10 marks] Explain why your alternative definition executes more efficiently. [3 marks] 1...

1. Finite automata and regular languages (a) Construct a DFA and a regular expression for the language L = {x E {0,1} x contains a (b) Construct a DFA and a regular expression for the language L rE...

Developments in Technology Light is incident from air on the end face of a multimode optical fibre at angle of incidence as shown below. n n 1 2 The refractive indices of the core and cladding are...

1: (6 points) a) (2 points) Select one of the choices that best suites the given statement 1) What is the regular expression for the language set strings with at least one 1, one 2 and one 3? 1+2+3...

I need help with Picture 1 Chapter 2, problems 5, 7v. Chapter 2, problem 7i, use mathematical induction, Picture 2 and 3 Problems 2-7, 10, 11, 15, 18 oces without DOD. 5. Consider the language S*,...

What types of graphs would be appropriate for the following data? Circle as many types as are appropriate and would give clarity to the data. Use the following key: SL = stem-and-leaf H = histogram F...

Choose one (1) creation myth from pages 17-39 of the textbook (excluding all Greek and Roman myths) and write a one (1) page reflection in which you answer the following questions: Which type of...

Problem 8 . 6 Princess Cruise Company ( PCC ) purchased a ship from Mitsubishi Heavy Industry for 8 0 0 milion yen payable in one year, The current spot rate is 1 3 9 $ and the one - year forward...

8:37 * N. 80% i ... OBJECTIVES: Create relationships Create a Pivot Table from Related Tables Create a PivotChart Modify the PivotChart The major section in this chapter :ontinuation is: Data...

7. What is a recessionary expenditure gap? An inflationary expenditure gap? Which is associated with a positive GDP gap? A negative GDP gap? LO31.8

6. Suppose a handbill publisher can buy a new duplicating machine for $500 and the duplicator has a 1-year life. The machine is expected to contribute $550 to the years net revenue. What is the...

5. Use your completed table for problem 1 to solve this problem. Suppose the wealth effect is such that $10 changes in wealth produce $1 changes in consumption at each level of income. If real estate...