Check if ID exist in second table

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Dion Theunissen
Dion Theunissen 2022-8-18
评论： Dion Theunissen 2022-8-19
I have 2 tables, now i want to check which numbers does not exist in the second table. So for example I have:
A = ["1","2","3"];
B = ["2","3"];
I want to check which number doesn't exist and keep that one.
So:
C = ["1"];

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回答（1 个）

David Hill
David Hill 2022-8-18
Ran in:
A = ["1","2","3"];
B = ["2","3"];
C=A(~ismember(A,B))
C = "1"
  1 个评论
Dion Theunissen
Dion Theunissen 2022-8-19
Now i have a list of double ID's.
C=bookings.id(~ismember(bookings.id(:),KopievanPolissenEuropeesche.VarName1(:)))
How can I use this to get only the table rows without common ID?

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