I keep getting 0 of 7 tests passed.
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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I keep getting 0 of 7 tests passed.
![2.3 MATLAB: Matrix Operations
219530.1170258
LAB
2.3.1: MATLAB: Matrix Operations
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0/1
АСTIVITY
MATLAB: Matrix Operations
%In this activity you will utilize MATLAB to evaluate sums, differences, scalar
%products, and products of matrices.
*Create the matrices A and B.
A = [2 1; 0 -4]
B = [1 -1; 3 2]
SWARNING: Matrix operations are only possible on matrices of the appropriate sizes.
Find the sum of A and B.
A + B
%Find the difference of A and B.
A - B
%Find the scalar product of 2 times A.
2*A
%Find the product of A and B.
A*B
Use the following matrices for this activity.
[-2 0 3
1
1
2
A =
=
B =1 3 1
C =
|-1 -2 3
01 -1]
-1
Script o
A Save
C Reset
E MATLAB Documentation
1 A = [ 10 -1 ; 21 -5; 1 -1 0];
2
3 format rat
4
5 AugA= [A, eye(3)]
6
7 (rowreducedAugA, pivotvarsAugA] = rref(AugA)
8
9 Ainv1= rowreducedAugA(:,4:6)
10
11 Ainv2=inv (A)
Run Script
Previous Assessment: 0 of 7 Tests Passed
Submit
* Matrix A is correct
Variable A must be of size [2 3]. It is currently of size [3 3]. Check where the variabl Screenshot](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ad0bce7-1cf3-497a-a99e-802afa935450%2F62f3d00b-23c2-46ec-9178-772477f03898%2Ftykvksl_processed.png&w=3840&q=75)
Transcribed Image Text:2.3 MATLAB: Matrix Operations
219530.1170258
LAB
2.3.1: MATLAB: Matrix Operations
This tool is provided by a third party. Though your activity may be
recorded, a page refresh may be needed to fill the banner.
0/1
АСTIVITY
MATLAB: Matrix Operations
%In this activity you will utilize MATLAB to evaluate sums, differences, scalar
%products, and products of matrices.
*Create the matrices A and B.
A = [2 1; 0 -4]
B = [1 -1; 3 2]
SWARNING: Matrix operations are only possible on matrices of the appropriate sizes.
Find the sum of A and B.
A + B
%Find the difference of A and B.
A - B
%Find the scalar product of 2 times A.
2*A
%Find the product of A and B.
A*B
Use the following matrices for this activity.
[-2 0 3
1
1
2
A =
=
B =1 3 1
C =
|-1 -2 3
01 -1]
-1
Script o
A Save
C Reset
E MATLAB Documentation
1 A = [ 10 -1 ; 21 -5; 1 -1 0];
2
3 format rat
4
5 AugA= [A, eye(3)]
6
7 (rowreducedAugA, pivotvarsAugA] = rref(AugA)
8
9 Ainv1= rowreducedAugA(:,4:6)
10
11 Ainv2=inv (A)
Run Script
Previous Assessment: 0 of 7 Tests Passed
Submit
* Matrix A is correct
Variable A must be of size [2 3]. It is currently of size [3 3]. Check where the variabl Screenshot
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