Write an unambiguous grammar

Assignment Help Theory of Computation
Reference no: EM13713070

Question- Write an unambiguous grammar for the given languages.

Part 1- Palindromes over the alphabet {a,b}.

Part 2- Non-empty palindromes over the alphabet {a,b}.

Part 3- Strings that match the regular expression (a*b*).

Part 4- Strings that match the regular expression (a*b*) and have the same number of a's and b's.

Part 5- Strings that match the regular expression (a*b*) and have more a's than b's.

Part 6- Strings that match (xy*x) | (yx*x).

You have to prepare unambiguous grammar for the above languages. Please help! I am stuck on this question

Reference no: EM13713070

Questions Cloud

Write a function named read_line : supposes you have a directory whose name is stored in 'specs.file_dir' which contains a file whose name is stored in 'specs.file_name'.
What should be the banking angle of the curve : What should be the banking angle of the curve so that the force of the pavement on the tires of the car is in the normal direction? Answer in units of degrees.
What is the average friction on the ball : a 200 g plastic ball is at rest on a frictionless incline 0.658 m above the surface of a table. The ball then rolls down the incline and across the table coming to rest after a distance of 2.45 m.
Determine how far apart are mars and phobos : Mars has a mass of about 6.77×1023kg, and its moon Phobos has a mass of about 9.6×1015kg. If the magnitude of the gravitational force between the two bodies is 4.58×1015N.
Write an unambiguous grammar : Write an unambiguous grammar for the given languages- You have to prepare unambiguous grammar for the above languages. Please help! I am stuck on this question
What is the acceleration of the center of mass : A hoop of radius R and mass M rools down an incline at an angle theta. What is the acceleration of the center of mass of the hoop
Find the middle element in a linked list in one pass : Write a program to check if there is a loop in a linked list. Create a loop in a linked list and use your method 'isLoop' to identify that the loop exists.
Find the rotational frequency of the wheel : A space station in the form of a large wheel, 223 m in diameter, rotates to provide an "artificial gravity" of 7.4 m/s2 for people located on the outer rim.
Evaluate the average temperature for the month : Write a program that stores the daily temperatures for the month of April in an array name dailytemp. Evaluate the average temperature for the month and the count the number of days

Reviews

Write a Review

Theory of Computation Questions & Answers

  Define predicate combinations

Define predicate combinations which find the number of combinations K of up to N numbers. Validate your predicate with the subsequent test:

  If l recognized by dfa then language left half is regular

We showed to prove that if L can be identified by DFA then the language left half(L) = {x ∈ ∑*|∃y xy ∈ L and |x| = |y|} is also regular; here |x| means length of x.

  Extend the ac scanner

A floatdcl can be represented as either f or float, allowing a more Java-like syntax for declarations - a intdcl can be represented as eitheri or int.

  Part-1farmers friend ff started as a mail-order company

part-1farmers friend ff started as a mail-order company providing a clothing and personal items supply service to

  Problem encountered in statements in predicate logic

How the problem would be encountered in attempting to represent the following statements in Predicate logic. it should be possible to: John only likes to see French movies.

  Design a syntactic analyzer

Design a syntactic analyzer for the language specified by the grammar

  Write a job description for each member of a three-person

write a job description for each member of a three-person virtual team tasked to improve company morale the virtual

  Create mealy type state machine with input and output

Create the Mealy type state machine with input X and output Y. Y must be 1 whenever sequence 110 or 101 has been detected on X on last 3 consecutive rising clock edges.

  Many programs require the use of an input

Many programs require the use of an input mechanism to get data into the program and an output mechanism to present results and guidance.

  Part -1q1 what do you consider were the three most

part -1q1 what do you consider were the three most important things planned or unplanned that you learned last year?

  1centred on the significance and relevance of ramps to

1centred on the significance and relevance of ramps to canadian organizations why is ramps important? and why is it

  Write the predicate singlechild

Write the predicate singleChild(Name) which finds the name of single children - For this problem single children means no other child has the same father and mother.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd