Finding corresponding Y value in matrix with redundant data

2014 3 5

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I want to find corresponding Y value in matrix with redundant data.

Example:

x = [4 8 2 5 8 2] y = [1 2 3 3 4 5]

I want to get y value of 8. but i can't use indexing as in matlab for redundant data we get index as 1.

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Andrei Bobrov 2014-3-5

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x = [4 8 2 5 8 2];
y = [1 2 3 3 4 5];
l0 = ~ismember(x,y);
out = unique(x(l0));
outidx = find(l0);

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