Answered: Your function will need to correctly…

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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C++

For this week’s assignment, you’ll be making a function that can multiply not only two
matrices, but also a single matrix and a scalar. To build a matrix in C++, you’ll need to familiarize yourself
with multi-dimensional arrays. These are the same as regular arrays, but when you initially define them,
instead of saying:
Int dataArray[10];
You’d say:
Int dataArray[10][10];
This will create an array of 100 objects, that you can think of in a 10 x 10 grid. It should be noted that it’s
actually the same as saying ‘int dataArray[100]’, and can be used in the same way.
You can also initialize two-dimensional arrays like this:
Int matrix[2][3] = {
{ 0, 1, 2} ,
{3, 4, 5}
};
Or like this:
Int matrix[2][3] = {0,1,2,3,4,5};
One of them’s just slightly easier to recognize as a two dimensional array than the other. Now while
THIS project is only dealing with 2x2 matrices, it will be to your benefit if you plan your program to be
able to handle matrices of any size...
Your function will need to correctly multiply the provided matrices and print out the resulting matrices.
Matrix A:
2 0
4 2

Matrix B:
1 3
2 0
Matrix C:
1 0
0 1
FOR YOUR ASSIGNMENT: You’ll be multiplying the provided matrices as follows:
(1) Matrix A * Matrix B
(2) Matrix B * Matrix A
(3) Matrix C * Matrix B
(4) 2 * Matrix A
(5) -4 * Matrix B

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