How to remove the duplicate in the cell array but still keep the array structure?

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Hang Vu 2019-5-14

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/462068-how-to-remove-the-duplicate-in-the-cell-array-but-still-keep-the-array-structure

评论： Hang Vu 2019-5-16

采纳的回答： Jan

在 MATLAB Online 中打开

A={[3 11];[6 5 8];[ 11 5];[5]};

I wonder if there is any way to remove the duplicate numbers in A but still keep the dimension of the cell array? like

A={[3 11];[6 5 8];[];[]};

appreciate your time!

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Hang Vu 2019-5-15

Yes, that is my question! i want to keep the structure

Jan 2019-5-15

@Hang Vu: You forgot to explain, which operation you want to apply. Why does "remove the duplicate in the cell array" produce the output for the shown input? Let me guess:

If a number occurs in an element of the cell, remove it from all subsequent elements.

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采纳的回答

Jan 2019-5-15

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/462068-how-to-remove-the-duplicate-in-the-cell-array-but-still-keep-the-array-structure#answer_375096

编辑：Jan 2019-5-15

在 MATLAB Online 中打开

A = {[3 11];[6 5 8];[ 11 5];[5]};
for iA = 1:numel(A)
    a = A{iA};
    for jA = iA + 1:numel(A)
        A{jA} = A{jA}(~ismember(A{jA}, a));
    end
end

Or:

list = A{1};
for iA = 2:numel(A)
   A{iA} = A{iA}(~ismember(A{iA}, list));
   list  = union(list, A{iA})
end

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Hang Vu 2019-5-16

Thank you Jan!

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