How to compare between two cell array?

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Mira le 2019-12-11

评论： Stephen23 2019-12-11

>> W={ [1 2] , [1 3] , [1 4] , [2 3] , [2 4] }

W =

1×5 cell array

[1×2 double] [1×2 double] [1×2 double] [1×2 double] [1×2 double]

>> F={ [1 2] , [1 3] , [1 4] }

F =

1×3 cell array

[1×2 double] [1×2 double] [1×2 double]

I want to compare each value in F if it is exist in W?

answer=cell2mat(cellfun(@(x) any(cellfun(@(y) isequal(x,y),W)),F,'uni',false))

Mira le 2019-12-11

Thank you

Stephen23 2019-12-11

Simpler using indexing:

>> X = ismember(cat(1,F{:}),cat(1,W{:}),'rows');
>> cat(1,F{X})
ans =
   1   2
   1   4
>> cat(2,F{X})
ans =
   1   2   1   4

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