MATLAB: How to call all element from cell class

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Let's say:
A : 3x1 cell class
A : 3x1 cell class
A={cell_1   ;   cell_2   ;   cell_3      }
A={[1x2 double];[1x4 double];[1x3 double]}
        cell_1      [999,222]
        cell_2      [444,222,2000,1000] 
        cell_3      [999,9000,1000]
Question: How can I call all element from cell A?
    result=[999;222;444;2000;1000;9000]

Best Answer

unique([A{:}].','stable')
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