Sort first column of a 5x2 matrix but keep the rows intact after sorting
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Hi, I have a 5x2 matrix and I would like to sort the first column and keep the rows together after the sorting is done. For example, I have an array given by
UP = zeros(5,2)
ai = [13,11,15,26,20]
for i = 1:5
UP(i,1) = ai;
UP(i,2) = i;
end
After I sort the first column of the array, I would like to keep the second column assigned with the value of the first column. I would like an output that looks like the following
11,2
13,1
15,3
20,5
26,4
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