How can I determine which values in vector X are NOT in vector Y?

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Lewis Foggie
Lewis Foggie 2020-4-6
评论： Birdman 2020-4-6
Consider:
x = [10 20 30]
y = [10 5 20 30]
What's the simplest way you can think of to output a vector Z which tells you which vectors in y appear in x...
Z = [1 0 1 1]
So Z tells you that 10 appears in y and x, 5 appears in y but not x, 20 appears in y and x, 30 appears in y and x.

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回答（1 个）

Birdman
Birdman 2020-4-6
编辑：Birdman 2020-4-6
Z=~ismember(x,y)
It will return
0 0 0
which means every element in vector X are also in vector Y.

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