ColumnSizeCellArray:

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   Outputs the size of each column of a cell array.
   Elements of m can be strings or scalars.

   Since version 9.
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   Form:
   s = ColumnSizeCellArray( m, f )
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   ------
   Inputs
   ------
   m               (n,m)  Cell array
   f               (1,1)  Width of number fields

   -------
   Outputs
   -------
   f               (1,m)  Maximum width of each column

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