Q1The periodic function sin⁡(2x) has multiple roots between x values of -5π and 5π. If xL = -15 and xU = 15, which of the following statements is true using a bracketed method? Select one:a.All roots will be returnedb.The middle root will be returnedc.The chosen bracket is invalid for bracketed methodsd.A single root will be returnede.The algorithm will be stuck in an infinite loop Q2Consider x and y to represent data points (xi,yi), where i = 1, 2, 3, … n. What is the length of pafter running the following command? p = polyval(x,y) Select one:a. nb. n - 1c. n + 1d. Empty variablee. 1 Q3Consider a system of linear equations in the form of AX = B, where X is the unknown vector. Which of the following can be used to solve for X?Select one:a.X = A\Bb.X = B./Ac.X = inv(B)*Ad.X = inv(A)./Be.X = B\A

Here in this question we have given linear equations in the form of AX = B, where X is the unknown…

Answered: Consider a system of linear equations…

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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The periodic function sin⁡(2x) has multiple roots between x values of -5π and 5π. If x_L = -15 and x_U = 15, which of the following statements is true using a bracketed method?

Select one:

All roots will be returned

The middle root will be returned

The chosen bracket is invalid for bracketed methods

A single root will be returned

The algorithm will be stuck in an infinite loop

Consider x and y to represent data points (x_i,y_i), where i = 1, 2, 3, … n. What is the length of pafter running the following command?

p = polyval(x,y)

Select one:

a. n

b. n - 1

c. n + 1

d. Empty variable

e. 1

Consider a system of linear equations in the form of AX = B, where X is the unknown vector. Which of the following can be used to solve for X?

Select one:

X = A\B

X = B./A

X = inv(B)*A

X = inv(A)./B

X = B\A

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