(Demonstrate cancellation errors) A cancellation error occurs when you aremanipulating a very large number with a very small number. The large numbermay cancel out the smaller number. For example, the result of 100000000.0 +0.000000001 is equal to 100000000.0. To avoid cancellation errors and obtainmore accurate results, carefully select the order of computation. For example, incomputing the following series, you will obtain more accurate results by comput-ing from right to left rather than from left to right:1111++3+...2пWrite a program that compares the results of the summation of the precedingseries, computing from left to right and from right to left with n = 50000.

Answered: (Demonstrate cancellation errors) A…

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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(True or False) Seven different positive integers are randomly chosen between 1 and 2022 (including 1 and 2022).There must be a pair of these integers has a difference that is a multiple of 6.
(Algebra: solve 2 x 2 linear equations) You can use Cramer's rule to solve the following 2 x 2 system of linear equation: ax + by = e ed – bf af- ec ad - bc cx + dy = f ad – bc y = Write a program that prompts the user to enter a and f and display the result. If ad - bc is 0 b, c, d , e, , report that The equation has no solution.
"NEED ONLY CODE NO EXPLANATION" Harry has a big wall clock, that got hit while he was playing. Now, the minute hand doesn't rotate by the angle 2π/3600 each second, but now it moves according to different angle x. You can assume that coordinates of the centre of the clock are (0, 0) and the length of the minute hand is l. One endpoint of the minute hand is always located at the clock centre; the other endpoint is initially located at the point (0, l). One second later, Harry observes that this endpoint is at distance d above the x-axis, i.e., the y-coordinate of this endpoint is equal to d. Harry is curious about where the minute hand will be (specifically, its y-coordinate) after t seconds. Because t can be very large, Harry can't wait for that moment. Please help him to write a python code that prints a single line containing the output. Input: 4 2 2 Output 4
(String Matching): Write a program to use Horspool’s Algorithm to find the pattern in the string. You can define two variables called Text and Pattern. Please display shift table for that pattern and display the shift value for each step. If not match, display a message “Unsuccessful Search”. If match, display the index. For example, If Text =“BARD LOVED BANANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 6, pattern not found If Text=”BARD LOVED BABAOBABANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 2, shift 3, pattern found at position 13 Please let me know the solution which gives exact mentioned outputs in question
(String Matching): Write a program to use Horspool’s Algorithm to find the pattern in the string. You can define two variables called Text and Pattern. Please display shift table for that pattern and display the shift value for each step. If not match, display a message “Unsuccessful Search”. If match, display the index. For example, If Text =“BARD LOVED BANANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 6, pattern not found If Text=”BARD LOVED BABAOBABANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 2, shift 3, pattern found at position 13
(String Matching): Write a program to use Horspool’s Algorithm to find the pattern in the string. You can define two variables called Text and Pattern. Please display shift table for that pattern and display the shift value for each step. If not match, display a message “Unsuccessful Search”. If match, display the index. For example, If Text =“BARD LOVED BANANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 6, pattern not found If Text=”BARD LOVED BABAOBABANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 2, shift 3, pattern found at position 13 Please let me know the solution in Java which gives exact mentioned outputs in question
(String Matching): Write a program to use Horspool’s Algorithm to find the pattern in the string. You can define two variables called Text and Pattern. Please display shift table for that pattern and display the shift value for each step. If not match, display a message “Unsuccessful Search”. If match, display the index. For example, If Text =“BARD LOVED BANANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 6, pattern not found If Text=”BARD LOVED BABAOBABANAS” and Pattern=”BAOBAB”. The result will be: Shift Table: A=1, B=2, O=3, other=6 Shift 6, shift 2, shift 2, shift 3, pattern found at position 13 --Please write the code in Java/C++
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(Factorials) Factorials are used frequently in probability problems. The factorial of a positive integer n (written n! and pronounced “n factorial”) is equal to the product of the positive integers from 1 to n. Write an application that calculates the factorials of 1 through 20. Use type long . Display the results in tabular format. What difficulty might prevent you from calculating the factorial of 100?
(Random Walk Robot) A robot is initially located at position (0, 0) in a grid [−5, 5] × [−5, 5]. The robot can move randomly in any of the directions: up, down, left, right. The robot can only move one step at a time. For each move, print the direction of the move in and the current position of the robot. Use formatted output to print the direction (Down, Up, Left or Right) in the left. The direction takes 10 characters in total and fill in the field with empty spaces. The statement to print results in such format is given below: cout << setw(10) << left << ‘Down’ << ... ; cout << setw(10) << left << ‘Up’ << ...; If the robot moves back to the original place (0,0), print “Back to the origin!” to the console and stop the program. If it reaches the boundary of the grid, print “Hit the boundary!” to the console and stop the program. A successful run of your code may look like: Due to randomness, your results may have a different trajectory…
(In Java) Mathletes Game! With the introduction of loops, we now know enough about programming to begincreating simple games. Our first game (sponsored by the KSU College of Science and Mathematics)will test your ability to solve multiplication problems.Your game will first ask the player if they want to play on easy or hard mode. Save their response inan appropriate variable (you will reference it later). Then, you will randomly generate two numbersand display them to the player in the form of a multiplication problem. The possible numbers willrange between -255 and 255.You will ask the player to solve the equation. You will keep creating multiplication questions until theplayer wins or loses.Based on whether the player chose “hard” or “easy” mode, the game will play a little differently.Refer to the following rules for the difference:Easy Mode Hard ModePlayer only has to answer 5 questions Player has to answer 10 questionsPlayer can try again if they get a question wrong(up to two…

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