find equal element rows in a matrix

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adi
adi 2014-8-7
评论： Terence Etchells 2023-4-7
I have a matrix, in witch some rows have the same elements in different order. I want to keep only one row that has a specific set of elements. for example, if I have:
1 3
2 5
3 1
2 3
5 2
I would like to convert this matrix to:
1 3
2 5
2 3
anyone?

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回答（1 个）

Adam
Adam 2014-8-7
unique( sort( a, 2 ), 'rows' )
assuming a is your input array

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