MATLAB: Create copies of each row of an array

Question

Is there a way to copy each row of an array one after another for example if I had

A =

1 2 3 4

5 6 7 8

how can I make it into

A =

1 2 3 4

1 2 3 4

5 6 7 8

5 6 7 8

Answer 1

kron(A,[1;1])

or

repelem(A,2,1)