13. The reciprocal Fibonacci constant y is defined by the infinite sum:Σ.where F, are the Fibonacci numbers 1, 1, 2, 3, 5, 8, 13, ... . Each element inthis sequence of numbers is the sum of the previous two. Start by setting thefirst two elements equal to 1, then F, = F-1+ Fn-2. Write a MATLAB pro-gram in a script file that calculates y for a given n. Execute the program forn = 10, 50, and 100.14. The value of t can be estimated from:(-1)"32n=0 (2n+1)*Write a program (using a loop) that determines t for a given n. Run the pro-gram with n = 10, n = 100, and n =format long.)1,000. Compare the result with pi. (Use

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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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Can you write a new code in C language with the values I sent you, just like this output? There are two files named group1.txt and group2.txt that contain course information and grades of each student for each class. I will calculate each course average for each group and show in simple bar graph. Use "*" and "#"characters for group1 and group2, respectively. I will see the number -999 at the end of each line in the input files. This value is used for line termination and you can use it to verify that you have arrived at the end of the line. The averages of each group should also be calculated and printed at the end of the file. Group 1: CSC 80 100 70 80 72 90 89 100 83 70 90 73 85 90 -999 ENG 80 90 80 94 90 74 78 63 83 80 90 -999 HIS 90 70 80 70 90 50 89 83 90 68 90 60 80 -999 MTH 74 80 75 89 90 73 90 82 74 90 84 100 90 79 -999 PHY 100 83 93 80 63 78 88 89 75 -999 Group 2: CSC 90 75 90 75 80 89 100 60 80 70 80 -999 ENG 80 80 70 68 70 78 80 90 90 76 -999 HIS 100 80 80 70 90 76 88 90…
Output the information as a formatted histogram. Each name is right justified with a width of 20. Ex: Jane Austen ****** Charles Dickens ******************** Ernest Hemingway ********* Jack Kerouac ********************** F. Scott Fitzgerald ******** Mary Shelley ******* Charlotte Bronte ***** Mark Twain *********** Agatha Christie ************************************************************************* Ian Flemming ************** J.K. Rowling ************** Stephen King ****************************************************** Oscar Wilde *
In a C++ program, you need to store the ID's and GPS's for 25 students. 1. Define 2 arrays that may be used in parallel to store the ID's and GPS's. 2. Write a loop to print the ID and GPA arrays in columns, with column headings. Put the information for each student on its own line.
A) Create a regularly spaced array of numbers of cigarettes smoked between zero and twenty in step of two. Then use the given linear equation cancer probability = 0.23xnumber of cigarettes+ 0.8 Use matlab to compute the probabilities of getting cancer for each of these numbers. Save the probabilities only to a text file called cancer.txt. Use the newline character ("\n') as the delimiter. TCC
Let A = {a, b, c} and B = {u, v}. Write a. A × B b. B × A
import numpy as np import torch import matplotlib.pyplot as plt Quiz Preparation Question 1. Write a function that generates a random tensor of n x n (n is the input). The output is the mean of the tensor. = 2, 4, 8, 16, ... 1024 and generate a vector 2. Write a code (for loop) that call that calls the function above with n = M(n). Plot the vector as a function of the log of n. 3. Given an n x m array write a code that replaces every element that is larger than 0.5 with 0.5. 4. The second derivative of a function can be approximated by the finite difference 1 ƒ"(x₂) = 73 (ƒ(£;+1) — 2ƒ(x;) + f(x;-1)) Given a vector f with values f = [f(xo),..., f(n) write a code that computes the approximation to f"(x) 5. The power method is a method to compute the largest eigenvalue of a matrix. Your google search is using this method every time you perform a google search. The method consists of the iteration Vj+1 = Av; || Avi|| where v; is a vector with chosen as a random vector, and A is the matrix…
Q1 Write a C++ program to ask the user to record students' ratings between (0 – 10) for 20 students into a "responses" array, then distribute those ratings into a "frequency" array, after that print - them.
Exercise 2: In probability theory, one problem that often arises is determining the number of ways in which p objects can be selected from n distinct objects without regard to the order in which they are selected. Such selections are called combinations. The number of combinations of p objects from a set with n objects is C (n, p) and is given by: п! С(п, р) — (п- р)! * p! Write a Python program which will calculate and display on the screen the number of possible combination C based on the values of n and p; where both n and p are positive integers less than 21 and n >p. Implement and use at least the following three functions: fact(.): A function when passed a positive integer value, will calculate and return the factorial of that number. comb(..): A function when passed n and p (n: total number of objects and p: number of objects taken at a time) will calculate and return the total number of possible combinations (using the formula above). It calls function fact.) main(..): reads…
Problem Y: Implement the reader writer problem using pthreads and semaphores. You should allow multiple readers to read at the same time and only one single writer to write to the data set. You are required to use the following: 1. A semaphore rw_muter initialized to 1. 2. A semaphore muter initialized to 1. 3. An integer reader_count initialized to 0.
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Write your codes in a single m.file Write commend to each line for explaining the line Write a code to generate the x and y values for a single butterfly using a for loop. The equations for a butterfly were discovered by Temple H. Feyl in 1989: = cos* - 2 cos(4t) –(sin() x = xo +s* f * sint y = yo +s* f * cost Here t goes from 0 to 40pi (first try with step size of 1 and then change it to step size of 0.01), x0 and y0 are the location of the butterfly center, and s scales the height of the butterfly. Notice that these are algebraic equations, not differential equations. Also pay attention for element by element calculations in matrix operations. 1) Plot a magenta butterfly by considering s=0.1, x0=1, y0=1 2) Plot a different figure blue butterfly having twice height of the first one, x0=3, y0=3 3) Put both plots in a single figure Write Happy Spring as tittle, Happy to y-axis and Spring to the x-axis and legend Loving Butterflies! of all figures. Here is a hint for the item 1 output;…
Create a program that reads a input question (full question) from the user and then matches it with already saved answers in the program (through find or any other function to check matching words ) and returns that appropriate answer if there is a match. **coding language python **(hint) first take input question from the user convert it to a list match the converted question list through any function with already avaliable answers list and then display the matching suitable answer Hint is just for guidance purposes the methodology can be different

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