making sub arrays of first column depending on the second column number

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Sho Gan
Sho Gan 2019-7-9
编辑： Sho Gan 2019-7-9
Hi,
I have a matrix with 2 columns let's assume [ 15 2;14 2;10 3;13 3;9 3] how can I get sub arrays from the first column that corresponds to the same number of second column. in this example [15 14] and [10 13 9]? Appreciate your help. Thanks.

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采纳的回答

madhan ravi
madhan ravi 2019-7-9
Wanted = splitapply(@(x){x},a(:,1),findgroups(a(:,2))) % where a is your matrix
celldisp(Wanted)

更多回答（1 个）

Walter Roberson
Walter Roberson 2019-7-9
G = findgroups(YourMatrix(:,2));
subarrays = splitapply(@(varargin) {varargin{:}}, YourMatrix(:,1), G);

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