How to change data from cell to double

Hi, Haw to change this maglev data cell to maglev data double ?

 maglevInputs: {1x4001 cell}

    maglevTargets: {1x4001 cell}

      TrainInputs: {2801x1 cell}

     TrainTargets: {2801x1 cell}

       TestInputs: {1200x1 cell}

      TestTargets: {1200x1 cell}

thanks

Answer 1

[Chad Greene]

You can use cell2mat.

Answer 2

[Muhammad Usman Saleem]

read Jan's Answer here