problem while using 'intersect' between strings

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Yu Li
Yu Li 2019-10-8
评论： Star Strider 2019-10-8
Hi:
I have two strings:
s1='bound10-wall1.out'
s2='bound10-wall24.out'
and I need the intersect between them, then, I use the result posted here: https://www.mathworks.com/matlabcentral/answers/125711-how-can-i-find-the-common-elements-of-2-cell-arrays-of-strings
[C,ia,ib] = intersect(s1,s2, 'stable');
the result is:
C='bound10-wal.t'
however, I think the expected result should be:
'bound10-wall.out'
so I would like to know if there is any mistake with my understanding?
Thanks!
Yu

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采纳的回答

Star Strider
Star Strider 2019-10-8
The letter ‘l’ appears twice in both strings, so is only returned once in the intersect result.
Yopu will get a similar result with:
s1u = unique(s1, 'stable')
s2u = unique(s2, 'stable')
and for the same reason.

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