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.