Vectorize the following code. Write one assignment statement that would accomplish the same thing. Assume mat is a matrix variable that has been initialized as shown: mat = [1 3 5 7,2 4 6 8; 11 13 15 17]; myvar = 0; [r.c] = size(mat); for i = 1:r for j = 1:c myvar = myvar + mat(ij); end end end myvar % just for display
Vectorize the following code. Write one assignment statement that would accomplish the same thing. Assume mat is a matrix variable that has been initialized as shown: mat = [1 3 5 7,2 4 6 8; 11 13 15 17]; myvar = 0; [r.c] = size(mat); for i = 1:r for j = 1:c myvar = myvar + mat(ij); end end end myvar % just for display
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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5.32 Matlab
![Vectorize the following code. Write one assignment statement that would accomplish the same thing. Assume mat is a matrix variable that has been initialized as shown:
mat = [1 3 5 7;2 4 6 8; 11 13 15 17];
myvar = 0;
[r,c] = size(mat);
for i = 1:r
for j = 1:c
myvar = myvar + mat(ij);
end
end
end
myvar % just for display
Script
1% Chapter 5-32
2 mat = [1 3 5 7;2 4 6 8; 11 13 15 17];
C Reset
MATLAB Documentation](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F76aaab3c-5a4a-4ff8-814d-d2e8a1f30217%2F2e3021c6-9dab-4978-87b4-d8e8d477ed11%2Fepryjxr_processed.png&w=3840&q=75)
Transcribed Image Text:Vectorize the following code. Write one assignment statement that would accomplish the same thing. Assume mat is a matrix variable that has been initialized as shown:
mat = [1 3 5 7;2 4 6 8; 11 13 15 17];
myvar = 0;
[r,c] = size(mat);
for i = 1:r
for j = 1:c
myvar = myvar + mat(ij);
end
end
end
myvar % just for display
Script
1% Chapter 5-32
2 mat = [1 3 5 7;2 4 6 8; 11 13 15 17];
C Reset
MATLAB Documentation
Expert Solution
Step 1
Let's write the code using vectorization:
code:
% matrix variable 'mat' is being initialized
mat = [1 3 5 7; 2 4 6 8; 11 13 15 17];
% to store the sum of all elements in the matrix
myvar = 0;
% using vectorization to compute the sum of all elements in the matrix
myvar = sum(sum(mat));
% printing myvar
disp(myvar);
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