Q2You have a dynamic array with 3 elements in it and a capacity of 4. The capacity doubles whenadditional space is needed and shrinks by 50% (rounding down) when the size is at or below 1/3capacity. Answer the questions below for the following operation sequence:Add, Add, Remove, Remove, RemoveQ2.1What will be the capacity of the list when the whole sequence is completed?Answer=Enter your answer here

In this question, it is asked to calculate the capacity of the dynamic array after the sequence of…

Answered: Q2 You have a dynamic array with 3…

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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def create_identity_matrix(n):"""Create a nxn sized identity matrix. The return type should be a list or numpy ndarrayFor more info: https://en.wikipedia.org/wiki/Identity_matrixFor this exercise you can use nested loops to construct your 2d array or find an applicable function in the numpy library.:param n::return: nxn ndarray where the diagonal elements are 1 and nondiagonal elements are 0"""pass
Please solve this computer science problem.
Create a program (or set of programs) which accomplish the following for each complex data type (list,tuple,set,frozenset, dictionary): create the item with at least 4 elements Append an element Remove an element Insert an element in the middle somewhere Append another array of the same data type Append another array of a different data type (for example, if you have a dictionary, append a set or tuples And do the following: Output the results after each step. Report and explain any errors (if a line of code generates an error, comment it out along with a comment on what the error was and your reasons for that error) Create a range of negative numbers Create a range of positive even numbers Insert a range into each data type that would allow it Please explain each error you ran into
QUESTION 7 1) Write a maxConsecutiveDiff function which returns the maximum difference between any two consecutive values in the array. Consecutive values are next to each other in an array (+/- 1 index) This function should accept all required data as parameters. Examples If the array is 17 15 16 11 14 the maximum consecutive difference is 5 which is the difference between 16 and 11. If the array is 10 13 11 12 19 the maximum consecutive difference is 7 which is the difference between 12 and 19.
Programming language: Processing from Java Question attached as photo Topic: Use of Patial- Full Arrays
A university is analysing students' academic performance in a course using an application. As shown below, the application generates a list of final marks and an academic performance report: The following information is required to generate the final mark listing and academic performance report: Course details The course details to be stored in the program include a list (array) of final marks, number of students, a list (array) of the distribution of frequencies of grades. The final marks: 75B+ 79B+ 88A 96A+ 90A+ 80A 76B+ 76B+ 79B+ 76B+ 75B+ 91A+ 92A+ 82A 84A 76B+ 97A+ 93A+ 95A+ 82A 78B+ 81A 81A 82A The final marks are stored in a text file named marks.txt. Download the data file, marks.txt from WBLE for building the list of final marks in the program. 77B+ 75B+ 85A 63B 71B+ 73B+ 73B+ 72B+ 68B 74B+ 69B 67B 73B+ 68B 62B 61B 68B 70B+ 66B 61B 62B 64B 62B 71B+ • Listing the final marks with associated grades After building the list of final marks in the program, all the final marks and…
3. Selection Sort• The idea in a selection sort is that you locate the largest item out of a set ofunsorted items, and move it into position at the end of the unsorted items. Asorted region grows one item at a time, while an unsorted region shrinks.• As done in Part 1, fill an array with random numbers.• Write a function that locates the largest element in the portion of the arraybeginning at the start of the array, up to a given index, and swaps the largestitem with the item at the given index.• E.g. If searching a[0] to a[7] locates the largest item at a[4], a[4] and a[7] would beswapped.• Write a second function that calls the first function repeatedly, until the entirearray is sorted. (Each time the first function is called, it will search one fewerelement)
Exercise - Collection Functions Using the code below, use the map function to create an array of Int values, whose values are equal to the original integer value, plus 1. Use $0 as you iterate through the values of the array. Print the resulting collection. 5 let testScores = [65, 80, 88, 90, 47] Using the code below, use the filter function to create a new array of String values. The new array should only include Strings longer than four characters. Use $0 as you iterate through the values of the array. Print the resulting collection. Olet schoolSubjects = ["Math" , "Computer Science", "Gym", "English", "Biology"] Using the code below, use the reduce function to subtract all of the values within the array from the starting value 100. Print the resulting value. let damageTaken = [25, 10, 15, 30, 20]
Exercise 1: Write a main program that reads the elements of a 2 x 2 integer matrix, A, from the user. It then performs the following tasks: • prints the matrix row-by-row using a nested looping structure, • adds all matrix elements in row 0 using a looping structure and prints the sum. For example, for matrix, A| [i 3 A[2][2] = 7 9 The Sample Session will be as follows: CA Microsoft Visual Studio Debug Console Enter element at row 0 column 0: 1 Enter element at row e column 1: 3 Enter element at row 1 column 0: 7 Enter element at row 1 column 1: 9 The matrix entered by the user is: 13 7 9 Sum of row 0 elements: 4 C:\Users\User\source\repos \Project1\Debug\Project1.exe (process 52912) exited with code 0. Press any key to close this window
Create an indexception value of unique consonants and unique vowels.This is the Input: String of the name that was given below. It must be case sensitive.Steps:Step A: In every unique vowel of a name, you need to get the first index of that vowel from the original string.Step B: In each vowel index you get from step A, you will get the unique consonant from that position. if the index is out of scope of the consonant array, ignore that vowel index.Step C: In each unique consonant that you get from step B, you need to get the first index of that consonant from the original string.Step D: You will the value of indexception by adding all index you get from step C.output must be like this: > 2 lists that consist of unique vowels and unique consonants> vowel, the vowel index, the consonant, the consonant indexfinal ouput> total indexception value of the name that was given. ------Input "Tricia O. Reyes"Output:Name: Tricia O. ReyesVowels: ['a', 'e', 'i', 'o']Consonants: ['T', 'r',…
Question 19 a Consider the following statement, which is intended to create an ArrayList named years that can be used to store elements both of type Integer and of type String. /* missing code */ = new ArrayList(); Which of the following can be used to replace /* missing code */ so that the statement compiles without error? ArrayList years B ArrayList years() ArrayList years[] D ArrayList years E ArrayList years
weight You are given 4 items as {value, weightpairs in this format {{20,5}, {60, 20}, {25, 10}, {X, 25}}You can assume that the array is sorted based on the value ratio. The capacity of knapsack is 50. The item no. 4 (whose weightis 25 ) is taken fractionally to fill upto the knapsack capacity. That fraction is represented informat. What is the lowest possible value of 6? For the question above, assume the total value stored in the knapsack is 135 after you have filled upto the knapsack capacity. What is the value of X(in other words, the value of the item no. 4) ? Give your answer to at least two decimal places.

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