How to compare the content of 2 cells and get the content from cell1 column1?

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chocho
chocho 2018-5-28
回答： Nikhil Negi 2018-5-29
hello guys, i have 2 cells and i want to compare cell1 (of size 172*1) column1 with cell2 (of size 30644*2) column2. If they are equal i would like to get their content from cell2 column1.
Note that the rows of cell1 column1 may occur multiple times in cell2 column2.
inputs:
Expected outputs:
  2 个评论
Nikhil Negi
Nikhil Negi 2018-5-28
Hello, are the contents of cell 2 column 2 just repetitions of the contents of cell 1 column 1??
chocho
chocho 2018-5-28
Nikhil Negi yes repetitions and some other extra things which do not exist in the cell1 column and i just focused on the common contents.
So you can say all the content of cell1 column1 exist on cell2 column2 with repetitions

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回答（2 个）

KSSV
KSSV 2018-5-28
Read about ismember.
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chocho
chocho 2018-5-28
i use it but i'cant find the expected outputs i want we can use isequal and strcmp too but i fail to get the right format

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Nikhil Negi
Nikhil Negi 2018-5-29
Hello chocho,
you can use temp=ismember(cell1,cell2(:,2)) ans=all(temp); if ans=1 then cell1 is a subset of cell2 column 2(your required condition) and if ans=0 then your condition is not satisfied

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