ismember for string matrix
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I have two string matrices;
A=['c1' 'c ' 'b ' 'd9']'; %UNIQUELIST
B=['d9' 'c1']'; %ORIGINALLIST
I would like do find member of B in A, using:
[LIA,LOCB]=ismember(A,B);
and it returns
LOCB =
3
4
3
0
0
0
1
2
But I actually would like it to return matching row index like this:
LOCB =
2
0
0
1
Thanks for your help
Sam
0 Commenti
Risposte (2)
Sean de Wolski
il 26 Nov 2014
You need to make A and B cell arrays so that each string piece is a separate element (rather than a 1xn string. The fix is simple use {} instead of []
A={'c1' 'c ' 'b ' 'd9'}';
B={'d9' 'c1'}'
[LIA,LOCB]=ismember(A,B)
dpb
il 26 Nov 2014
You've got string arrays here; use the 'rows' optional argument to treat them as such instead of as individual characters...
>> [~,loc]=ismember(A,B,'rows')
loc =
2
0
0
1
>>
3 Commenti
Sean de Wolski
il 26 Nov 2014
Probably, but converting to cells is heavier weight if you don't need them for other things.
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