Consider the language S*, where S = {a b} . How many words does this language have

Question:

Consider the language S*, where S = {a b} .
How many words does this language have of length 2? of length 3 ? of length n?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Introduction To Computer Theory

ISBN: 9780471137726

2nd Edition

Authors: Daniel I. A. Cohen

See More Books

Question Posted: Sep 02, 2022 01:25 AM

See More Questions

The weight of the delta function in the power spectral density (PSD) (the dc value) of a random process X(t) that has the correlation function given by RX(t) = 4[1 + exp(-2A|T|)] is O a. 3 m /2 O b....
0.5 points Save Answer Question 21 A block of mass 5 kg is kept on a rough horizontal surface. The coefficient of static friction is 0.9. Then the force of friction between the block and floor is: O...
Does listening to music affect how many words you can memorize? Student researchers tried to answer this question by having 20 subjects listen to music while trying to memorize words and also had the...
Skysong, Inc. sells products that carry a two-year warranty. Any defective product is replaced with a new item taken from inventory. Management believes that this is the most cost-effective way to...
Why might some managers actually prefer to work with a flow of funds statement rather than the cash flow statement?
Finer grid of 3 3 inner points. Solve Example 1, choosing h = 12/4 = 3 (instead of h = 12/3 = 4) and the same starting values.
Visit www.fraudwatchinternational.com/phishing. Select five of what you consider to be the most outrageous phishing examples. In each case, identify the following: a. The data the attack was designed...
Weldon Corporation's fiscal year ends December 31. The following is a list of transactions involving receivables that occurred during 2011: Mar. 17 Accounts receivable of $1,700 were written off as...
Andretti Company has a single product called a Dak. The company normally produces and sells 89,000 Daks each year at a selling price of $62 per unit. The companys unit costs at this level of activity...
Bilbo Baggins wants to save money to meet three objectives. First, he would like to be able to retire 30 years from now with retirement income of $16,000 per month for 25 years, with the first...
(i) Let S = {ab bb} and let T = {ab bb bbbb}. Show that S* = T*. (ii) Let S = {ab bb} and let T = {ab bb bbb}. Show that S* T* , but that S* T*. (iii) What principle does this illustrate?
For construct a regular expression defining each of the following languages over the alphabet = {a b} : (i) All words that do not have the substring ab. (ii) All words that do not have both the...
Kuk (1990) proposed the following randomized response method. Ask the respondent to generate two independent binary variables X 1 and X 2 with P (X 1 = 1) = 1 and P(X 2 = 1) = 2 . The probabilities...
Air at $1 \mathrm{~atm}$ and $25^{\circ} \mathrm{C}$ flows in a 4-cm-diameter glass pipe at a velocity of $7 \mathrm{~m} / \mathrm{s}$. The friction factor for this flow is (a) 0.0266 (b)...
Find the regime of the boundary layer at the location of $0.1 \mathrm{~m}$ from the leading edge of an aerofoil, if the airspeed is $80 \mathrm{~ms}^{-1}$, and air condition is at that of sea...
``Nuclear Deterrence,'' by Harvey A . Smith, UMAP327. The author analyzes the stability of the arms race, assuming objectives similar to those suggested by General Taylor. The module develops...
A saturated vapor feed at $1000.0 \mathrm{kmol} / \mathrm{h}$ of methanol $(5.0 \mathrm{~mol} \%)$ and water $(95.0 \mathrm{~mol} \%)$ is fed to a distillation column with 18 stages plus a...
Use the partition functions in Equations 1.98, 1.99, and 1.100 to find the translational, rotational, and vibrational contributions to the average energy of a diatomic molecule. Compare each result...
A person learning certain skills involving repetition tends to learn quickly at first. Then learning tapers off and skill acquisition approaches some upper limit. Suppose the number of symbols per...
A report from the college dean indicates that for the previous semester, the grade distribution for the Department of Psychology included 135 As, 158 Bs, 140 Cs, 94 Ds, and 53 Fs. Determine what kind...
Assuming it is possible to sort n numbers in O(nlogn) time, show that it is possible to solve the three-way set disjointness problem in O(nlogn) time.
Describe an efficient algorithm for finding the ten largest elements in an array of size n. What is the running time of your algorithm?
Give an example of a positive function f (n) such that f (n) is neither O(n) nor (n).
explain in excel please For a particular product the price per unit is $6. Calculate Revenue if sales in current period is 200 units. Conduct a data analysis, on revenue by changing the number of...
Hall Company sells merchandise with a one-year warranty. In the current year, sales consist of 35,000 units. It is estimated that warranty repairs will average $10 per unit sold and 30% of the...
Q 4- Crane Corporation, an amusement park, is considering a capital investment in a new exhibit. The exhibit would cost $ 167,270 and have an estimated useful life of 7 years. It can be sold for $...

Consider the language S*, where S = {a b} . How many words does this language have

Question:

Step by Step Answer:

There are two words of length 2 ab and ba four words ...View the full answer

Introduction To Computer Theory

Students also viewed these Computer science questions