MATLAB: How to print duplicate (repeated) value from an array

duplicaterepeating value

Dear experts,
I have to print the duplicate (repeated) value from the following array. Please help me.
           104.96
           81.01
          -35.21
         -150.76
          145.22
          104.96
           20.62
          -90.79

Best Answer

More simpler way:
[C,~,~]=unique(v);
val=sum(v)-sum(C)
Edit after Image Analyst's warning:(works for any situation)
[C,~,idx]=unique(v,'stable');
n=accumarray(idx(:),1);
vals=C(find(n~=1))
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