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From: Sean on 21 May 2010 08:30
"ratnesh kumar" <iam_ratnesh(a)yahoo.co.in> wrote in message <ht5nh0$mou$1(a)fred.mathworks.com>...
> hi ,
> i have to remove rows those have repeated with same elements in the matrix.
> suppose
> v =[1 1 11
> 1 2 10 % (1)
> 1 3 9
> 1 4 8
> 1 5 7
> 1 6 6
> 2 1 10 % here is repeatition (1) with same elements
> 2 2 9
> 2 3 8
> 2 4 7
> 2 5 6
> 3 1 9
> 3 2 8
> 3 3 7
> 3 4 6
> 3 5 5
> 4 1 8
> 4 2 7
> 4 3 6
> 4 4 5
> 5 1 7
> 5 2 6]
> similarly some others are also repeating
> final matrix is like
> V=[1 1 11
> 1 2 10
> 1 3 9
> 1 4 8
> 1 5 7
> 1 6 6
> 2 2 9
> 2 3 8
> 2 4 7
> 2 5 6
> 3 3 7
> 3 4 6
> 3 5 5
> 4 4 5]
> how it is possible iam trying unique but not getting the indesired results.


Try this:
>>uniqueV = unique(sort(V')','rows');

Algorithm:
-transpose and sort so the members of each column are the same order
-transpose again so the sorted columns are once again rows
-unique() rows
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