Find equal value in two cell arrays

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NA 2020-10-19

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https://ww2.mathworks.cn/matlabcentral/answers/619288-find-equal-value-in-two-cell-arrays

评论： madhan ravi 2020-10-20

I have 2 cells

A = {5;5;[];[];[];[];[];[]};
B = {5;13;4;12;12;12;17;14};

As you see, index one of cell A equals to cell B.

I want to find this index. The below code is not correct for this example.

ismember(cell2mat(A),cell2mat(B),'rows');

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Walter Roberson 2020-10-19

Do I understand correctly that for each element of A, you want a list of the indices in B for which any row of the A element matches any row of the B element?

I thought at first you were asking about whether corresponding positions matched, but your A has 9 entries where your B has 8 entries, so you must be wanting to compare every A to every B... by rows??

Could you confirm that in some cases you really will have rows in A or B? And will the entries always be empty or have the same number of columns?

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