We will design a type representing polynomials. A polynomial is a function of somevariable x written in the form a,x" + an-1x"-l ++ a2x² + ajx + ao. Thevalues a; are the coefficients of the polynomial.We can represent a polynomial as a list of coefficients. For convenience, we willstart with ao followed by aj and so forth. Two polynomials are equal if all theircoefficients are equal. To simply things, we will require our lists to be finite and endwith a non-zero coefficient.Copy this data declaration to a file:data Poly a =P [a] deriving (Show, Eq)Thus, P [2,1] represents the polynomial x + 2, P [-1,0,1] represents x – 1, P[0,0,0,2] represents 2x', and so forth.1. The degree of a polynomial is the largest exponent occurring in any of its terms.Write a function that returns the degree of a polynomial.degree :: Poly a -> IntFor example:> degree (P [)> degree (P [8])> degree (P [2,1])1> degree (P [-1,0,2])2

Answer: I think this type question can be solved in better way by MATLAB so we are writing a…

Answered: data Poly a = P [a] deriving (Show, Eq)…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Complete the scramble_text() function that takes a single string parameter text. The function returns a new string consisting of the characters in text scrambled order - every pair of characters have their positions swapped. You can assume that the parameter text will have a length of at least 1. For strings with an odd length, the last character remains unchanged in the scrambled text. Some examples of the function being called are shown below. For example: Test text = "I". print (f"{text} --scramble--> {scramble_text (text)}") text = "Hello" print (f"{text} --scramble--> {scramble_text (text)}") text = "superb" print (f"{text} --scramble--> {scramble_text (text)}") Result I --scramble--> I Hello --scramble--> eHllo superb --scramble--> usepbr
Write a function count_evens(nums) that takes a list of ints called nums and returns the number of even ints in the given list. Note: the % "mod" operator computes the remainder, e.g. 5 % 2 is 1.
In c++ Please Write the InOrder() function, which receives a vector of integers as a parameter, and returns true if the numbers are sorted (in order from low to high) or false otherwise. The program outputs "In order" if the vector is sorted, or "Not in order" if the vector is not sorted. Ex: If the vector passed to the InOrder() function is [5, 6, 7, 8, 3], then the function returns false and the program outputs: Not in order Ex: If the vector passed to the InOrder() function is [5, 6, #include <iostream>#include <vector>using namespace std; bool InOrder(vector<int> nums) { /* Type your code here */} int main() { vector<int> nums1(5); nums1.at(0) = 5; nums1.at(1) = 6; nums1.at(2) = 7; nums1.at(3) = 8; nums1.at(4) = 3; if (InOrder(nums1)) { cout << "In order" << endl; } else { cout << "Not in order" << endl; } vector<int> nums2(5); nums2.at(0) = 5; nums2.at(1) = 6;…
def find_root4(x, epsilon): ''' IN PYTHON Assume: x, epsilon are floating point numbers and epsilon > 0 Use bisection search to find the following root of x such that If x >=0, return y such that x - epsilon <= y ** 2 <= x + epsilon Else, return y such that x - epsilon <= y ** 7 <= x + epsilon Note: You must use bisection search to implement the function. ''' pass
The programming language is - Python a. Write a function called daysOver that takes three arguments: a dictionary, a location (such as ‘Sydney’, ‘Adelaide’,etc) and a temperature and returns the number of days that were over the given temperature for the given location. For example, if we call the function using the line: total = daysOver(dictionaryData, ‘Adelaide’, 40) total will hold the number of days that Adelaide had a temperature greater than 40 celsius in the data. As a test, there were 54 days over 40 celsius in the data. Check that total is 54 for the example when you run your code. b. Use the daysOver function to print the number of days over 35 celsius for each of the following cities: 'Adelaide','Perth','Melbourne','Canberra','Sydney','Brisbane','Darwin' c. Which of the Australian cities has the most number of days over 35 celsius? My spreadsheet looks like this Since I cannot attach an excel file, my excel file name is "weatherAUS.csv"
in c programing Write a program that takes in a positive integer as input, and outputs a string of 1's and 0's representing the integer in binary. For an integer x, the algorithm is: As long as x is greater than 0 Output x % 2 (remainder is either 0 or 1) x = x / 2 Note: The above algorithm outputs the 0's and 1's in reverse order. You will need to write a second function to reverse the string. Ex: If the input is: 6 the output is: 110 The program must define and call the following two functions. Define a function named IntToReverseBinary that takes an int named integerValue as the first parameter and assigns the second parameter, binaryValue, with a string of 1's and 0's representing the integerValue in binary (in reverse order). Define a function named StringReverse that takes an input string as the first parameter and assigns the second parameter, reversedString, with the reverse of inputString. void IntToReverseBinary(int integerValue, char binaryValue[])void StringReverse(char…
-Python- Write a function get_letter_grade, such that when given * a lab grade score and * a list of the grade cutoffsreturns the letter grade of that score.Note: Your function automatically returns A for the values that are >= to the first cutoff-value in the list, then A- for the second cutoff-value, B+ for the third and so on. The function returns None for anything that's below the score for B-. You test that get_letter_grade(97, [93, 90, 87, 83, 80]) correctly returns an A, and get_letter_grade(93, [97, 90, 87, 83, 80]) returns A-. DO NOT hard-code the cutoffs, since they can change! You can copy/paste the following template: def get_letter_grade(score, cutoffs): if score ... : return 'A' ...: return 'A-' ...: return 'B+' ...: return 'B' ...: return 'B-'
In loop functions.py, define a function named permutations that takes two paramters, n and r, in that order. This function returns the number of different permutations of length r from set of size n. Essentially to calculate these permutations, the function should compute the product (n - r+1)*(n-r+2)*(n-r+3)*...*(n-2)*(n-1) or n!/(n-r)!. No if statements or built in math functions should be used. For or while loops are best reccomended.
: Given a string, write a function to check if it is a permutation ofa palindrome. A palindrome is a word or phrase that is the same forwards and backwards. Apermutation is a rearrangement of letters. The palindrome does not need to be limited to justdictionary words.EXAMPLEInput: Tact CoaOutput: True (permutations: "taco cat'; "atco eta·; etc.)
How should you write a reduce function that calculates the sum of the first 10 numbers of the geometric progression given by the following recurrence relation: an = 2 an-1 where ao = 1? Choose all that apply. To use reduce you need to import it from functools: from functools import reduce sum_ = reduce (lambda x, y: y+x, [2**x for x in range(10)]) sum_ = reduce (lambda x, y: y*x, [2*x for x in range(1,11)]) sum_ = reduce (lambda x, y: x + y, [2**i for i in range(10)]) sum_ = reduce (lambda x, y: y*x, [2 for x in range(1,11)]) sum_ = reduce (((x, x+y) for x in [2**i for i in range(10)]), [2**x for x in range(10)])
Write a function using Java Function Name: winInRowParameters: board: 2D integer array, row: integer, piece: integerReturn: booleanAssume board is valid 2D int array, row is valid index in the board, piece is X==1/O==2Look at indicated row at given index in board. If that row has at least 3 consecutive entries withgiven type of piece (X/O) (3 in a row XXX, OOO), then return true, otherwise false.

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