MATLAB: Concatenate two cell arrays in matlab

Question

I have array as

A=cell(4,1);
A=[1;2;3;4]; 
i have to increase the size of A. i.e to make it 8 for example. when i pad the zeros or simply vertically concatenate the two array(one is A and other is simply e.g B=cell(4,1))
I get the answer like 
[4x1 double]
[]
[]
[]
[]
whereas i need output like 
1
2
3
4
[]
[]
[]
[]
or if padding zeros then 
1
2
3
4
0
0 
0
0
plz help me as i need this urgent.. i have tried alot..it works when A matrix is simply an array not a cell array..but in my case i need this for cell array|

Answer 1

A = cell(8,1);
A(1:4) = num2cell((1:4)');

numeric array

A = zeros(8,1);
A(1:4) = (1:4)';