Represent the reversed web link graph in a similar way. For example, [a, b, c] means that {b, c} is the set of web sites that contain links to a. If the input is [[a, b, c], [b, c, e], [c, b, a]], for example, your Scheme program should produce this list: [[a, c], [b, a, c], [c, a, b], [e, b]].

Q: Eliminate immediate left recursions from the following grammars. F = F*X+Y|Y+F | F*X/Y| Y/X |/FX X =…

A: Left recursion implies that the Left mos varibale in the RHS of a production is same as the LHS of…

Q: Evaluate the following Scheme form: (let ((a 3) (b 4)) (+ (* a a) (* 2 a b) (* b b))

A: Evaluating scheme expressions: (let((a 3)(b 4)) (+(* aa)(*2 ab)(* bb)))

Q: We look into automata over the alphabet Σ = {a, b} You are given the automaton A = ({a, b}, {q0,…

A: We are given an automaton's transitions and we are going to draw its automation first. Then we will…

Q: synchronized

A: ANSWER: Synchronization in Java:

Q: Give an example of a language that allows positional parameters in addition to keyword parameters.

A: Please find the answer below :

Q: build a DFA that accepts the described language. The set of strings over {a, b, c} in which every b…

A: Deterministic finite automata of the given language

Q: Give context-free grammars to generate the following languages: (a) L = {b"cm :n m + k} (c) L3 =…

A:

Q: Construct a CFG for the language L C {0, 1, 2}* of all strings that (a) have an equal number of O's…

A: Solution: To construct a CFG for tha languafe L {0,1,2}

Q: Construct a PDA with only three states for the following context free grammar. (Yes, the book likes…

A:

Q: For each of the below snippets, mark suitable positions for breaks for the crossover operator.…

A: ONLY THREE SUBPARTS ARE SOLVED. RESEND THE QUESTIONS ON THE PORTAL FOR THE SOLUTION.

Q: Write a Scheme function mycount mylist myvar that counts the number of times myvar appears in the…

A: Please refer below code and output: Language used is python:   def mycountmylist(lst,myvar):    c=0…

Q: For the following CFG, give parse trees and derivations of the following strings. EE+T | T T➜ TXF |…

A: Part (i)    a+(a +a)

Q: c(1,4). c(2,1). c(2,3). c(2,6). c(3,5). c(5,4). r(X,X). r(X,Y) :- c(Z,Y), r(X,Z). What would…

A: Let us first run them manually before going to run on Prolog Compiler:- r(X,Y) :- c(Z,Y), r(X,Z).…

Q: digits), state (two

A:

Q: Implement a lexicographically smallest topological ordering in the C language

A: The above question is solved in step 2:- Topological ordering of direct graph is the lineear order…

Q: Write a Scheme program to reverse a web link graph so that for each web site considered, we know…

A: Please see the code below. As no language is mentioned, I've done it in Python. However, idea will…

Q: The Context Free Grammar below is given: G=( {S,a,b}, {0,1}, S, {S→0b|1a, a→0|os|1aa|ɛ, b→1|1S|Obb}…

A:

Q: 2. Write a SCHEME function named (tree-depth T) which takes a tree node, T, as a parameter and…

A: Solution: Given T as tree and we have to find depth of the tree so we have written function. The…

Q: Write a prolog program to get a list and returns a list that has only the first element and the last…

A: solution is given below:

Q: Write a prolog program to get a list and returns a list that has only the first element and the last…

A: Lets see the solution in the next steps

Q: Draw a language for a machine in which “computer-oriented words” are generated having string contain…

A: This falls under Theory of Computation. Automata theory is the study of abstract machine and…

Q: Consider the following grammar: S➞ A A➞ aBA' A'➞ dA'/∈ B➞ b C➞ g What is the follow of C? 1. Ø 2.…

A: To compute First(A) for all nonterminals A, apply following rules until nothing can be added to…

Q: Write a C program that compares two given dates. To store a date use a structure that contains three…

A: Code: #include<stdio.h>struct date{    int date,month,year;};void main(){    int…

Q: Consider following the CFG E E+T|T T→TX F|F F→ (E) | a Design parse trees and derivations for each…

A: Given: Consider the following CFG:  E --> E + T | T T --> T x F | F F → (E) | a Design parse…

Q: Write a finite-difference representation for ??/??=0 and identify all variables (e.g., subscripts,…

A: Convert the partial differential equation  in to finite difference method by using explicit and…

Q: Write down an equivalent regular expression for the language "All possible strings whose each a is…

A: Answer is given below .

Q: write a c++ program using classes and inheritance to model something in real world Enter a circuit…

A: Answer is given below-

Q: nd returns the list without these elements For example ?- delements([a,b,c,d,e,f], Q). Q = [c,d]

A:

Q: Write down an equivalent regular expression for the language "All possible strings whose each a is…

A: A regular expression is a sequence of patterns that defines a string. A regular language is accepted…

Q: Draw binary tree diagrams for each of the following Scheme expressions: • '(1 2 3 4 5) • '(1 (2 (3…

A: Lets see the solution in the next steps

Q: Write a C++ program that simulates a two-dimensional random walk along a grid that has M by N…

A: Here is the Code for your problem statement with appropriate comments and indentation

Q: Build a DFA which only accepts the following languages on E = (0, 1): (a) The set of all strings in…

A: The Answer is

Q: For floating point numbers in scientific notation, give: (a) a right regular grammar; (b) a regular…

A: A grammar is regular if it has rules of form A -> a or A -> aB or A -> ɛ where ɛ is a…

Q: Write a purely functional Scheme function that returns a list of all permutations of a given list.…

A: A permutation is a rearrangement of the elements of an ordered list S into a one-to-one…

Q: A wave is modeled by the wave function: y (x, t) = A sin [ 2π/0.1 m (x - 12 m/s*t)] y1 (t) = A sin…

A: Given: Wave-function:  y(x,t)=Asin(kx−ωt)    {Standard equation of wave}y(x,t)=Â…

Q: Given the following Scheme list: ((LAMBDA (a b c x) (+ (axx) (bx) c)) '(1 2208)) What is the output?

A: Answer is given below-

Q: We can integrate PHP into a java servlet environment using

A: Java Servlets:   Java servlets are the java programs that help in creating the dynamic web pages…

Q: Each string in L can be derived from the base step together with a finite number of applications of…

A: Actually, string is a sequence of characters.

Q: Write a Scheme program that returns the maximum of a list of numbers formed from the union of the…

A: According to the information given:- We have to join two list and return total number of element in…

Q: I need the answer as soon as possible

A: one of obj1 and obj2 is an exact number but the other is an inexact number.obj1 and obj2 are numbers…

Q: Using PLY, write an interpreter for the language of "LISP expressions". A LISP expression is defined…

A: solution for the given question As per your requirement i had return it in detail solution is…

Q: Write a Scheme program to reverse a web link graph so that for each web site considered, we know…

A: the program is given below:-

Q: Write a prolog program to get two lists and returns a list containing the union of the elements of…

A: Actually, prolog program is declarative and logic-based programming language. It has role on…

Q: a) Construct CFG which accepts the strings of any number of a's followed by any number of b's, and…

A: Answer the above questions are as follows:

Q: Construct a CFG and PDA for the language B={w| w is a string over {a,b} with the same count of a's…

A: PDA

Q: Create a SCHEME file/program that implements a quadratic equation solver and calls it with 1, 0, -25…

A: convert temperature from Celsius to Fahrenheit

Q: _4. Give simple English language descriptions for the strings generated by the productions following…

A: G is the regular grammar  G= ( V,T,P,S) V- variables, T- terminals, P- productions, S- Starting…

Q: count a number of 1's in an orbitrary list of numbers . In a scheme language, please

A: Define an arbitrary list L with numbers. Run the loop through the list. Check if the number is 1,…

Q: Write a function in Scheme or rules in Prolog called countlt that takes a list of numbers, L, and…

A:

Use of XOR function

XOR function or exclusive OR function was introduced in Excel 2013. This function is available under excel logical functions. For the given statement, the XOR function will return true only when either of the statements is true. It returns false when both the statements are true or when both the statements are false.