how can I link 4 vectors based on their length? that is from the longest to the shortest

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Lotmeri
Lotmeri 2018-4-20
回答： Walter Roberson 2018-4-20
I.e.
I have a=[5 5 5 5 5], b=[4 4 4 4], c=[3 3 3] and d=[2 2].
I want to concatenate out=[a b c d] without knowing, however, the length of a, b, c, d in each cycle.
Thank you.

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Walter Roberson
Walter Roberson 2018-4-20 
values = {a, b, c, d};
lens = cellfun(@length, values);
[~, idx] = sort(lens, 'descend');
out = [values{idx}];

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