array. find if one element or another is in the array

2017 2 1
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Hi, I have to vectors A and B I want to find if the elements of B are in A if whatever of the elements of B are in A, I want to get a 1 in the position where the element is if not a 0
for example A=[1 2 3 4 5] B=[1 3] c= 1 0 1 0 0
thanks

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Star Strider
Star Strider 2017-2-1

0 个投票

The ismember function does exactly that:
A=[1 2 3 4 5];
B=[1 3];
Out = ismember(A, B)
Out =
1×5 logical array
1 0 1 0 0

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