MATLAB Answers

"setdiff" comand usage ?

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IBM watson
IBM watson on 23 Oct 2018
Answered: Torsten on 23 Oct 2018
when i run this code:
a=[1 1 2];
b=[1];
setdiff(a,b)
i get this:
>> c
ans =
2
but I want this:
>> c
ans =
1 2
What should I do to fix this ?

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Accepted Answer

Torsten
Torsten on 23 Oct 2018
https://de.mathworks.com/matlabcentral/answers/406227-excluding-one-vector-from-another-vector-with-repetition

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More Answers (1)

KSSV
KSSV on 23 Oct 2018
B2 = union(a,b)

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IBM watson
IBM watson on 23 Oct 2018
Yes but algorithm should be able do this in a loop. I cant check it every time. Because if b was b=[2] then i get wrong results.

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