MATLAB: Concatenate all cells in a celll array

Question

hello i have a cell array 7×7

 Columns 1 through 6
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]    [256x1 double]
Column 7
    [256x1 double]
    [256x1 double]
    [256x1 double]
    [256x1 double]
    [256x1 double]
    [256x1 double]
    [256x1 double]

I want to concatenate all t he cells in this cell array to a 7x7x256=12544×1 vector how do i do that ?

Answer 1

Try this:

ca = ca{:}