MATLAB: How can i delete repeated rows

MATLABmatricesmatrixmatrix arraymatrix manipulation

I have a matrix A as follows
    A = 1,1,2,3,4
        2,1,2,3,4
I'd like to consider that the two rows are identical as the firs column only describes the index, so the output should like
    A = 1,1,2,3,4
or
   A= 2,1,2,3,4
when I make use of unique(A,'rows') it doesn't consider the two rows are identical
Any help, please.

Best Answer

Use the second return value of unique:
[~, rowstokeep] = unique(A(:, 2:end), 'rows');
newA = A(rowstokeep, :)
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