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matching texts in two cell arrays

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Quy
Quy il 22 Lug 2014
Commentato: Quy il 22 Lug 2014
I have two cell arrays, one longer than the other. Both containing strings. The shorter cell array contain only part of a name of one of the cell in the longer cell array. Can I match each individual cells in the shorter cell arrays to find the index of the full name in the cell array. for example;
shortcellarray = {'Micheal' 'John' 'Eric'};
longcellarray = {'Lisa Ann' 'Michael Adams' 'Art Vara' 'Brian Burns' 'Eric Holmes'};
how do I get the index of the long array from the match of short array (without loop iteration, which I know can be done with strfind on each cell within the shortarray)? The answer should be:
index = {2, [], 5}
Thanks.

Risposta accettata

Michael Haderlein
Michael Haderlein il 22 Lug 2014
I'm totally sure that much better solutions will be given, but one reads as:
index = cellfun(@(a) strmatch(a,longcellarray),shortcellarray,'uniform',false)
index =
[2] [0x1 double] [5]
Best regards, Michael
  2 Commenti
Michael Haderlein
Michael Haderlein il 22 Lug 2014
(I fixed the first value of shortcellarray to "Michael" instead of "Micheal")
Quy
Quy il 22 Lug 2014
This works great for me.
Thanks for the respond. I think cellfun function looks very useful, and I need to get better at using it.
Thanks.

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Più risposte (1)

Joseph Cheng
Joseph Cheng il 22 Lug 2014
you can do this
shortcellarray = {'Michael' 'John' 'Eric'};
longcellarray = {'Lisa Ann' 'Michael Adams' 'Art Vara' 'Brian Burns' 'Eric Holmes'};
for ind =1:length(shortcellarray)
IndexC = strfind(longcellarray, cell2mat(shortcellarray(ind)));
Index{1,ind} = find(not(cellfun('isempty', IndexC)));
end
the strfind works within cells.
  1 Commento
Quy
Quy il 22 Lug 2014
Using a loop would definitely work, and that is what i have, but I was looking for a better way to do this.
Thanks.

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