find subset of a set

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jana
jana 2013-6-7
I created a variable that stores a set of numbers for an arc (a,b). Sc{1,2} = [1]; Sc{2,1} = [1]; Sc{1,3} = [2]; Sc{3,1} = [2]; Sc{3,4} = [2]; Sc{4,3} = [2]; Sc{2,4} = [1]; Sc{4,2} = [1];
I would like to implement the following condition:
s{1} = [1,2];
for v = 1:n,
if s{v} is a subset of s{u}
s{v} = intersect( s{u},Sc{u,v});
end;
end;
where u is the previous node. I dont know how to code if s{v} is a subset of s{u}' in matlab. Please help.

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采纳的回答

Doug Hull
Doug Hull 2013-6-7
>> all(ismember([1 3], [2 4]))
ans =
0
>> all(ismember([1 3], [1 3 2 4]))
ans =
1
>> all(ismember([1 3], [1 2 4]))
ans =
0

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