MATLAB Answers

how to convert a 3*3 matrix into 1*9 using for loop

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Gourav Tanwar
Gourav Tanwar on 18 Aug 2019
Commented: darova on 18 Aug 2019
i want to convert a 3*3 into 1*9 matrix using for loop
can anyone help

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Answers (2)

madhan ravi
madhan ravi on 18 Aug 2019
reshape(matrix,1,[]) % no loops needed , the beauty of MATLAB is the tasks are far simpler than most think.

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Rob Weh
Rob Weh on 18 Aug 2019
Use reshape to do this. However, if you really want it in a loop for some reason use:
A=magic(3);
B=zeros(numel(A),1);
for ii=1:numel(A)
B(ii)=A(ii);
end

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darova
darova on 18 Aug 2019
Remember also (no matter: reshape or loop):
A = [1 2 3
4 5 6
7 8 9];
B = reshape(A,1,[]); % or A(:) or "for" loop
>> B
1 4 7 8 5 2 9 6 3

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