What does 'un' mean here ?

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IBM watson
IBM watson 2019-3-21
回答： Walter Roberson 2019-3-21
[a1,b,c] = unique(cellfun(@char,a,'un',0))
I read the cellfun page but didn't find anything about this.

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Walter Roberson
Walter Roberson 2019-3-21
'un' is short for 'uniformoutput' https://www.mathworks.com/help/matlab/ref/cellfun.html#d117e138796
It means to wrap the result of each function call into a cell. That way the function call does not need to return a scalar.

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