MATLAB Answers

Comparing cell with criteria

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Charms
Charms on 25 Feb 2020
Commented: Charms on 25 Feb 2020
Hello! I have cell matrix "Spfcfef" (120x2) as attached and would like to produce 3 outputs.
1) numbers 1-9, that did not appear in either columns, by rows. The result should be a 120 x 1 cell.
2) numbers that appeared in column 1, but not in column 2
Is there a function in matlab that I may use to compare between columns/code with? Many thanks! :)

  2 Comments

Stephen Cobeldick
Stephen Cobeldick on 25 Feb 2020
Earlier very similar questions, with answers that use ismember:
"Is there a function in matlab that I may use to compare between columns/code with?"
Have you considered using ismember ? At the bottom of every function's documentation page is a section entitled "See Also", which contains a list of related functions, you can find several functions that would help do what you want.
Charms
Charms on 25 Feb 2020
I did, but I'm not certain how to include Q1 into the code. still learning, am a beginner~

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Accepted Answer

Stephen Cobeldick
Stephen Cobeldick on 25 Feb 2020
Edited: Stephen Cobeldick on 25 Feb 2020
out1 = cellfun(@(l,r) setdiff(1:9,[l,r]), Spfcfef(:,1), Spfcfef(:,2), 'Uni',0);
out2 = cellfun(@(l,r) setdiff(l,r), Spfcfef(:,1), Spfcfef(:,2), 'Uni',0);

  1 Comment

Charms
Charms on 25 Feb 2020
it was helpful, thank you :)

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