HOW TO SORT INTO GROUPS

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Pat
Pat am 17 Sep. 2011
I have values
col1 col2
1 9
2 4
3 5
4 6
5 1
6 9
7 0
8 3
9 1
0 2
I WANT TO DIVIDE THIS INTO 5 GROUPS MY OUTPUT IS
1 9 3 5 5 1 7 0 9 1
2 4 4 6 6 9 8 3 0 2
PLEASE CAN ANYONE HELP
  2 Kommentare
Fangjun Jiang
Fangjun Jiang am 17 Sep. 2011
Please format your code and explain what is the grouping.
the cyclist
the cyclist am 17 Sep. 2011
Pat, please try to imagine yourself as a reader who knows nothing about your problem. It is impossible to understand what you want to do. Please provide more detail.

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Akzeptierte Antwort

Andrei Bobrov
Andrei Bobrov am 17 Sep. 2011
out = reshape(permute(reshape(a,2,[],2),[1,3,2]),2,[])
  2 Kommentare
Pat
Pat am 19 Sep. 2011
a=[1 9
2 4
3 5
4 6
5 1
6 9
7 0
8 3
9 1
0 2
3 6
3 4
3 7
8 1
8 7
9 2
0 3
4 6
5 7
8 9 ]
i want to divide this data into 5 groups so taht the values in the column 1 and 2 should not change....... have to do this for large data also,can anyone help
Jan
Jan am 19 Sep. 2011
@Pat: As mentioned before, it is not clear how the groups are distinguished. I do not see the connection between "The values in the column 1 and 2 should not change" and the example data in your question. Please explain the rule you want to implement.
But you've accepted an answer already. This means, that the posted code solved your problem. Sure?

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Weitere Antworten (1)

Fangjun Jiang
Fangjun Jiang am 17 Sep. 2011
a=[1 9
2 4
3 5
4 6
5 1
6 9
7 0
8 3
9 1
0 2 ];
b=mat2cell(a,repmat(2,size(a,1)/2,1),size(a,2));
c=cell2mat(b');
  2 Kommentare
Jan
Jan am 18 Sep. 2011
@Fangjun: Pat asks for 5 groups, but he showed 6 groups. Your code replies a {2 x 10} cell.
Fangjun Jiang
Fangjun Jiang am 18 Sep. 2011
I see! Then b or b' should be the outcome.
The OP doesn't seem to be responsive at all based on his history.

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