Function Reference
— Built-in Function: char (x)
— Built-in Function: char (cell_array)
— Built-in Function: char (s1, s2, ...)

Create a string array from a numeric matrix, cell array, or list of

If the argument is a numeric matrix, each element of the matrix is converted to the corresponding ASCII character. For example,

          char ([97, 98, 99])
               "abc"

If the argument is a cell array of strings, the result is a string array with each element corresponding to one element of the cell array.

For multiple string arguments, the result is a string array with each element corresponding to the arguments.

The returned values are padded with blanks as needed to make each row of the string array have the same length.