How can I change pairs?

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Ayob
Ayob 2014-1-23
回答： Jos (10584) 2014-1-23
I have pairs of A{i}=[ai bi]. How can I change them to pairs B{i}=[bi ai]. I like to use Matlab special features in matrices.

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采纳的回答

Jos (10584)
Jos (10584) 2014-1-23
% the data
A = {[1 2], [3 4] , [5 6]}
% the insight
help fliplr
help cellfun
% the engine
B = cellfun(@fliplr, A, 'un', 0)

更多回答（1 个）

Walter Roberson
Walter Roberson 2014-1-23
B = mat2cell( fliplr(cell2mat(A)), ones(length(A)), length(A{1});
  1 个评论
Ayob
Ayob 2014-1-23
编辑：Ayob 2014-1-23
I check it,but it didn't work.
A{1}=[1 2]
A{2}=[3 4]
A{3}=[5 6]
B=mat2cell(fliplr(cell2mat(A)), ones(length(A)), length(A{1}))
*bold*
_??? Error using ==> mat2cell at 105
Input arguments, D1 through D2, should be vectors._

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