Difference of cell arrays containing strings

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Ralf
Ralf 2015-2-12
评论： Stephen23 2015-2-12
Hello everybody,
I try to calculate the difference of two cell arrays containing strings. I want to identify the unique strings which are only present in one of the cell arrays. Here is an example:
Cell1 = {'Joe', 'Ralph', 'Sandra'};
Cell2 = {'Joe', 'Sandra'};
I now want to calculate Cell3 containing the "difference" of these two arrays, that means Cell3 should be equal to {'Ralph'}. For simplicity it could be assumed that all components of Cell2 are also components of Cell1. I want to identify the extra components in Cell1.
Any ideas? Thank you very much!

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Stephen23
Stephen23 2015-2-12
编辑：Stephen23 2015-2-12
Use setdiff.
From the documentation: C = setdiff(A,B) returns the data in A that is not in B.
  2 个评论
Ralf
Ralf 2015-2-12
That was simple! I couldn't find this on my own.
Thank you very much!
Stephen23
Stephen23 2015-2-12
Glad to help.
A tip for finding functions: learn to navigate the help contents (on the left-hand side of the page), you can discover lots of useful functions and advice here, and it is grouped intro useful concepts and categories. Ten minutes exploring this is time well spent.

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