simple question about cell array resizing

Just a simple question:

I have

A={[1,2]';[3,4,5,6]'}'

and want to transform it into a cell array:

A={[1,2,3,4,5,6]'}'

which is the fastest way to get it?

Thanks

Answer 1

[Andrei Bobrov]

out = {cat(1,A{:})}