How to sort a matrix by a predefined order

I have a matrix, A=[1 2; 3 4; 5 6; 7 8], how to reset the order by B=[1; 4; 3; 2] to get A = [1 2; 7 8; 5 6; 3 4]?

Thanks,

Answer 1

[Sindar]

A=[1 2; 7 8; 5 6; 3 4];
B=[1; 4; 3; 2];
A = A(B,:);

[Shannon]

Thank you so much! I just figure it out too! Thanks!