Find same numbers in two vectors
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Robert Schumann
am 2 Jun. 2021
Kommentiert: Johannes Fischer
am 2 Jun. 2021
Hello,
i need to find same numbers in two vectors and write them down in a third one. Example:
a = [3,8,10,11]
b = [2,3,10,12]
The result should be this vector:
result = [3,10]
Do you have an idea how to do this?
Thanks
Robert
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Johannes Fischer
am 2 Jun. 2021
a = [3,8,10,11]
b = [2,3,10,12]
result = a(ismember(a, b))
% or
result = b(ismember(b, a))
2 Kommentare
Johannes Fischer
am 2 Jun. 2021
Keep in mind that the results will be different, when a number occurr multiple times
a = [3,8,10,11,3];
b = [2,3,10,10,12];
resultA = a(ismember(a, b))
resultB = b(ismember(b, a))
leads to
resultA =
3 10 3
resultB =
3 10 10
resultA = unique(a(ismember(a, b)))
resultB = unique(b(ismember(b, a)))
will lead to
resultA =
3 10
resultB =
3 10
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