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How to find index of the following problem?

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SM
SM on 29 Oct 2019
Answered: SM on 29 Oct 2019
A={[];13;[1,5];10;7;[];8;3;5;18;[];[1,4];[2,33];[3,17];[4,37];[5,1];[6,28];[7,20];[8,15]};
B={[1 10 5]};
Output=[3;4;9]
the elements of index 3 , 4 and 9 in A are contained by B and therefore the output is [3;4;9].
What is the easiest way of getting this output?

Accepted Answer

Walter Roberson
Walter Roberson on 29 Oct 2019
find( cellfun(@(v) all(ismember(v, B)), A))
  2 Comments
Walter Roberson
Walter Roberson on 29 Oct 2019
find( cellfun(@(v) ~isempty(v) && all(ismember(v, B)), A))

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