MATLAB: Subtraction for Matrix of Different Length

Question

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.

Answer 1

[a,b] = setdiff(x,y,'rows');
[~,ii] = sort(b);
out = a(ii,:);

or

lb = ismember(x,y,'rows');
out = x(~lb,:);