How to divide an array into sperate vectors.
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Mohannad Alzard
on 13 Oct 2020
Commented: Fangjun Jiang
on 13 Oct 2020
i have a 1X1000 array, i want to use the first 4 elements in each iteration in a for loop, so the first iteration first 4, second iteration the next 4 elements and so on.
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Accepted Answer
Fangjun Jiang
on 13 Oct 2020
use reshape() to transform it to 4x250 or 250x4 then loop through row or column
2 Comments
Fangjun Jiang
on 13 Oct 2020
M=1:1000;
NewM=reshape(M,[],4);
for row=1:size(NewM,1)
for column=1:size(NewM,2)
NewM(row,column)
end
end
More Answers (1)
Ameer Hamza
on 13 Oct 2020
Another approach is to convert it to a cell array
M; % 1x1000;
M_parts = mat2cell(M, 1, 4*ones(250,1));
for i = 1:numel(M_parts)
x = M_parts{i}; % x will be 1x4 vector.
% process 'x' variable
end
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