Write a for loop that is equivalent to the command sum(A),whereA is a matrix.
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Im having trouble understanding this question T4.5-4from the text i just need some help and steps on how to find the answers.
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Answers (1)
Rafael Hernandez-Walls
on 14 Nov 2017
When you need to make a sum using a for cycle, it is necessary to initialize an accumulator variable to zero. This will allow you to perform your summation. The example I put below shows it. , it is added in columns.
A=magic(5);
SUM=zeros(1,5);
for k=1:5
for r=1:5
SUM(1,k)=SUM(1,k)+A(r,k);
end
end
SUM
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