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Subtraction for Matrix of Different Length

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RDG
RDG 2013-10-28
编辑： Andrei Bobrov 2013-10-28
x=[19 6 7; 45 9 11; 1 4 3; 9 7 6; 4 3 7; 44 1 7];
y=[1 4 3; 9 7 6];
How can I compute x-y?
The remains would be:
remains=[19 6 7; 45 9 11; 4 3 7; 44 1 7]
Thanks in advance.

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Andrei Bobrov
Andrei Bobrov 2013-10-28
编辑：Andrei Bobrov 2013-10-28
[a,b] = setdiff(x,y,'rows');
[~,ii] = sort(b);
out = a(ii,:);
or
lb = ismember(x,y,'rows');
out = x(~lb,:);

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