How can I call all element from cell class ?

Let's say:

A : 1x3 cell class

A={cell_1,      cell_2,        cell_3,     }
A={[2x1 double],[5x1 double],[1x1 double]}

        cell_1      [999;222]
        cell_2      [444;123;2000;789;1000] 
        cell_3      [5000]

Question: How can I call all element from cell A?

    result=[999;222;444;123;2000;789;1000;5000]

Answer 1

[KL]

 cat(1,A{:})