QI. Write a script to ask the user to input the coefficients of the quadratic equation (a*x^2+b*x+c=0) and returns the two roots of a equation. Q2. Write down a script that asks the user to input three numbers a, b, and e then calculatesthe sum s, the product p and the average m of the 3 numbers and finally displays the output "The sum is " followed by the value of s, and similarly for p and m. Q3. Write a MATLAB script which asks the user to enter a number, n, between -100 and 100, and then displays the message 'n to the power n=' followed by the value of nn. When ne [-100,100], the script displays the message 'number out of range'

QI. Write a script to ask the user to input the coefficients of the quadratic equation (ax^2+bx+c=0) and returns the two roots of a equation. Q2. Write down a script that asks the user to input three numbers a, b, and e then calculatesthe sum s, the product p and the average m of the 3 numbers and finally displays the output "The sum is " followed by the value of s, and similarly for p and m. Q3. Write a MATLAB script which asks the user to enter a number, n, between -100 and 100, and then displays the message 'n to the power n=' followed by the value of nn. When ne [-100,100], the script displays the message 'number out of range'

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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Concept explainers

Operations

In mathematics and computer science, an operation is an event that is carried out to satisfy a given task. Basic operations of a computer system are input, processing, output, storage, and control.

Basic Operators

An operator is a symbol that indicates an operation to be performed. We are familiar with operators in mathematics; operators used in computer programming are—in many ways—similar to mathematical operators.

Division Operator

We all learnt about division—and the division operator—in school. You probably know of both these symbols as representing division:

Modulus Operator

Modulus can be represented either as (mod or modulo) in computing operation. Modulus comes under arithmetic operations. Any number or variable which produces absolute value is modulus functionality. Magnitude of any function is totally changed by modulo operator as it changes even negative value to positive.

Operators

In the realm of programming, operators refer to the symbols that perform some function. They are tasked with instructing the compiler on the type of action that needs to be performed on the values passed as operands. Operators can be used in mathematical formulas and equations. In programming languages like Python, C, and Java, a variety of operators are defined.

Question

QI. Write a script to ask the user to input the coefficients of the
quadratic equation (a*x^2+b*x+c=0) and returns the two roots
of a equation.
Q2. Write down a script that asks the user to input three numbers
a, b, and e then calculatesthe sum s, the product p and the
average m of the 3 numbers and finally displays the output "The
sum is " followed by the value of s, and similarly for p and m.
Q3. Write a MATLAB script which asks the user to enter a
number, n, between -100 and 100, and then displays the message
'n to the power n 'followed by the value of n n. When n e
[-100,100], the script displays the message 'number out of
range'

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