Inserting a row and moving other rows down

I am trying to insert a row of ones as the new 2nd row to my matrix, but i want ot move the other rows down. My matrix is defined as A =

3 7 6 0

8 2 5 0

0 1 9 0

Answer 1

[Ajay Kumar]

A = [A(1,:);[1,1,1,1];A(2,:);A(3,:)] 

[Liam Sullivan]

thank you