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| File Information |
| Description |
lexcmp(s1,s2) returns:
-1, if s1<s2
0, if s1=s2
1, if s1>s2
where the comparison is made on the first elements that differ. s1 and s2 can be strings, numeric arrays or other compatible objects (see the help for more details).
Although this has already been done a few times before, this implementation is among the most efficient and the core routine is in a form that easily translates to mex/C (something similar as a built-in function would be nice to have).
The core function is similar to S. Helsen's strcmpc.m with some performance tweaks. The function is vectorized for cell array input. Recent versions allow inf/nan values.
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| Acknowledgements |
The author wishes to acknowledge the following in the creation of this submission:
Compare Strings (C-convention)
This submission has inspired the following:
String comparison, multisetdiff, jointable
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| MATLAB release |
MATLAB 7.5 (R2007b)
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| Updates |
| 14 Sep 2009 |
added support for inf/nan values in arrays and improved help text |
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