matthiasm@8: function p=mysubset(small,large)
matthiasm@8: % MYSUBSET Is the small set of +ve integers a subset of the large set?
matthiasm@8: % p = mysubset(small, large)
matthiasm@8: 
matthiasm@8: % Surprisingly, this is not built-in.
matthiasm@8: 
matthiasm@8: if isempty(small)
matthiasm@8:   p = 1; % isempty(large);
matthiasm@8: else
matthiasm@8:   p = length(myintersect(small,large)) == length(small);
matthiasm@8: end