Retrun largest numbers?

Can you help me how to retrun the larget numbers from the array as in the same order of that array?

for example i have A = 8 , 3, 4 , 1 , 5 , 6 , 2 , 7 , 9. I want to return largest 3 number in the same order as A like that B = 8 , 7 , 9.

Answer 1

[ES]

>> [~, idx] = sort(A);
>> B = A(sort(idx(end-2:end))))

[htet wai]

Thank you for your help.