Concepts Of Programming Languages
Concepts Of Programming Languages
12th Edition
ISBN: 9780134997186
Author: Sebesta, Robert W.
Publisher: Pearson,
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Chapter 3, Problem 12PS

a) Consider the string “abcd”:

Explanation of Solution

S —>a<s>c<B>|<A> | b [S—> b]S —

b) Consider the string “acccbd”:

Explanation of Solution

The language will not accept the string “S -> acccbd” because ther...

c) Consider the string ““acccbcc”:

Explanation of Solution

The language will not accept the string “S -> acccbcc” bec...

d) Consider the string ““acd”:

Explanation of Solution

The language will not accept the string “S -> acd” because...

e) Consider the string “accc”:

Explanation of Solution

S —>a<S>c<B>|<A> | b [S—> <A>]

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Students have asked these similar questions
[5 marks] Give a recursive definition for the language anb2n where n = 1, 2, 3, ... over the alphabet Ó={a, b}. 2) [12 marks] Consider the following languages over the alphabet ƒ={a ,b}, (i) The language of all words that begin and end an a (ii) The language where every a in a word is immediately followed by at least one b. (a) Express each as a Regular Expression (b) Draw an FA for each language (c) For Language (i), draw a TG using at most 3 states (d) For Language (ii), construct a CFG.
Question 1 Generate a random sample of standard lognormal data (rlnorm()) for sample size n = 100. Construct histogram estimates of density for this sample using Sturges’ Rule, Scott’s Normal Reference Rule, and the FD Rule. Question 2 Construct a frequency polygon density estimate for the sample in Question 1, using bin width determined by Sturges’ Rule.
Generate a random sample of standard lognormal data (rlnorm()) for sample size n = 100. Construct histogram estimates of density for this sample using Sturges’ Rule, Scott’s Normal Reference Rule, and the FD Rule.
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