sorting 2D matrix with 2 rows monotonically rising
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I have a 3 rows by 5000 columns matrix A. If I plot scatter3(A(1,:),A(2,:),A(3,:)), then all the data can be displayed monotonically increasing on each axis. Now, I tried to sort both first and 2nd row in monotonically increasing order at the same time. I tried Asort=sortrows(A', [1 2]), newA=Asort'. However, only the first row is monotonically increasing and the 2nd row is not.
Antworten (1)
Image Analyst
am 27 Mai 2015
Well, then try being more explicit:
row1 = A(1, :);
sortedRow1 = sort(row1, 'ascend');
row2 = A(2, :);
sortedRow2 = sort(row2, 'ascend');
sortedA = [sortedRow1; sortedRow2; A(3, :)];
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