counting the duplicates

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NUR KHAIRUNNISA rahimi
When I set
longwords={'banana';'milk';'butter';'cake';'lamb';'milk'}
no_duplicates=0;
for idup=1:length(longwords)
if ............ % so here in the cell i would like compare any string that are duplicates of each other and count them but im not sure how, can anybody tell me?Thank you.
no_duplicates=no_duplicates+1; end

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采纳的回答

Daniel Shub
Daniel Shub 2011-11-22
How about:
length(longwords)-length(unique(longwords))

更多回答（1 个）

Thomas
Thomas 2011-11-22
You could use the unique command http://www.mathworks.com/help/techdoc/ref/unique.html
longwords={'banana';'milk';'butter';'cake';'lamb';'milk'}
uniqueWords=numel(unique(longwords))
unique(longwords)
repeatedWords=numel(longwords)-numel(unique(longwords))
Hope this helps..

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