selecting unique rows
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I have an matrix of 6 columns,all columns have repeated numbers,now i want to select only unique values of that matrix ,please help
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Accepted Answer
Andrei Bobrov
on 18 Jan 2012
EDIT [23:27(UTC+4) 18.01.2012]
a = [1 2 7 8 9 0
2 2 71 2 4 1];
out0 = a(all(diff(sort(a,2),1,2) > 1e4*eps,2),:)
out1 = sortrows(out0);
loc = [true;all(diff(out1,1,1),2)];
out = out1(loc,:);
More Answers (2)
Wayne King
on 18 Jan 2012
C = unique(A,'rows');
Selects the unique rows of the matrix A in sorted order. Is that what you mean?
6 Comments
Andrei Bobrov
on 18 Jan 2012
a = [1 2 7 8 9 0
2 2 71 2 4 1];
out = a(all(diff(sort(a,2),1,2) > 1e4*eps,2),:)
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