%In this activity you will learn how to define matrices, use the size() command to find the size%of a matrix, generate an identity matrix, and also compute the transpose of a matrix using%the " .' " operator. %Matrices in Matlab can be constructed by entering each row of values.%Rows are separated from each other using a semicolon.%For example, consider the 2x4 matrix B defined as:B = [1 2 3 4; 5 6 7 8]%The size() function can be used to compute the number of rows and columns of a matrix.%Compute the number of rows and columns of B by using the size() function and store these values.[numRowsTest,numColsTest] = size(B)%The eye() function can be used to create an n by n identity matrix.%Create the 3x3 identity matrix and store it as I.I = eye(3)%The "dot-tic" operator can be used to transpose a matrix.%Take the transpose of the matrix B and store it as the matrix C.C = B.'------------------------------------------------------------------------------- Question: *********%Define the 3x3 matrix A with all 1's in the first row, all 2's in the second row,%and all 3's in the 3rd row.A = [1 1 1; 2 2 2; 3 3 3]--CORRECT %Use the size() function to compute the number of rows and columns of matrix A.%Store these quantities as variables numRows and numCols.? %Use the eye() function to create the 4x4 identity matrix. Store this matrix as I.? %Compute the transpose of the matrix A. Store this transposed matrix as the matrix D.? 1%Define the 3x3 matrix A with all 1's in the first row, all 2's in the second row,2 %and all 3's in3A = [1 1 1; 2 2the 3rd row.2; 3 3 3]4 %Use the size() function to compute the number of rows and columns of matrix A.5 %Store these quantities as variables numRows and numCols.678 %Use the eye() function to create the 4x4 identity matrix. Store this matrix as I.910 % Compute the transpose of the matrix A. Store this transposed matrix as the matrix D. %In this activity you will learn how to define matrices, use the size() command to find the size%of a matrix, generate an identity matrix, and also compute the transpose of a matrix using%the "operator.%Matrices in Matlab can be constructed by entering each row of values.%Rows are separated from each other using a semicolon.%For example, consider the 2x4 matrix B defined as:B = [1 2 3 4; 5 6 7 8]%The size() function can be used to compute the number of rows and columns of a matrix.%Compute the number of rows and columns of B by using the size() function and store these values.[numRows Test, numCols Test] = size (B)%The eye() function can be used to create an n by n identity matrix.%Create the 3x3 identity matrix and store it as I.I = eye(3)%The "dot-tic" operator can be used to transpose a matrix.%Take the transpose of the matrix B and store it as the matrix d.C = B.'

There are different functions in Matlab used for various reasons so according to the question…

Answered: Question: *********%Define the 3x3…

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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Question

%In this activity you will learn how to define matrices, use the size() command to find the size

%of a matrix, generate an identity matrix, and also compute the transpose of a matrix using

%the " .' " operator.

%Matrices in Matlab can be constructed by entering each row of values.

%Rows are separated from each other using a semicolon.

%For example, consider the 2x4 matrix B defined as:

B = [1 2 3 4; 5 6 7 8]

%The size() function can be used to compute the number of rows and columns of a matrix.

%Compute the number of rows and columns of B by using the size() function and store these values.

[numRowsTest,numColsTest] = size(B)

%The eye() function can be used to create an n by n identity matrix.

%Create the 3x3 identity matrix and store it as I.

I = eye(3)

%The "dot-tic" operator can be used to transpose a matrix.

%Take the transpose of the matrix B and store it as the matrix C.

C = B.'

-------------------------------------------------------------------------------

Question:

*********%Define the 3x3 matrix A with all 1's in the first row, all 2's in the second row,

%and all 3's in the 3rd row.

A = [1 1 1; 2 2 2; 3 3 3]--CORRECT

%Use the size() function to compute the number of rows and columns of matrix A.

%Store these quantities as variables numRows and numCols.

%Use the eye() function to create the 4x4 identity matrix. Store this matrix as I.

%Compute the transpose of the matrix A. Store this transposed matrix as the matrix D.

1%Define the 3x3 matrix A with all 1's in the first row, all 2's in the second row,
2 %and all 3's in
3A = [1 1 1; 2 2
the 3rd row.
2; 3 3 3]
4 %Use the size() function to compute the number of rows and columns of matrix A.
5 %Store these quantities as variables numRows and numCols.
6
7
8 %Use the eye() function to create the 4x4 identity matrix. Store this matrix as I.
9
10 % Compute the transpose of the matrix A. Store this transposed matrix as the matrix D.

%In this activity you will learn how to define matrices, use the size() command to find the size
%of a matrix, generate an identity matrix, and also compute the transpose of a matrix using
%the "
operator.
%Matrices in Matlab can be constructed by entering each row of values.
%Rows are separated from each other using a semicolon.
%For example, consider the 2x4 matrix B defined as:
B = [1 2 3 4; 5 6 7 8]
%The size() function can be used to compute the number of rows and columns of a matrix.
%Compute the number of rows and columns of B by using the size() function and store these values.
[numRows Test, numCols Test] = size (B)
%The eye() function can be used to create an n by n identity matrix.
%Create the 3x3 identity matrix and store it as I.
I = eye(3)
%The "dot-tic" operator can be used to transpose a matrix.
%Take the transpose of the matrix B and store it as the matrix d.
C = B.'

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