any simplified way to get the length of each variable in structure

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Yu Li
Yu Li 2019-4-27
评论： Yu Li 2019-4-27
Hi:
I have a structure, each element of the structure has a different size, which is what I neede.
it is very easy to write a for-loop to get it, but I want know if there is any easier way?
Please see attached test file, and below is the test code:
for i=1:1:length(test)
sz(i)=length(test(i).a);
end
Bests,
Yu

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采纳的回答

Matt J
Matt J 2019-4-27
sz = arrayfun(@(t) length(t.a), test);

更多回答（1 个）

madhan ravi
madhan ravi 2019-4-27
arrayfun(@(x)length(x.a),test) % use numel if the variables are a vector , I didn’t download your file so not sure how your variables are but this seems to do what you want.

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