Section: String Functions
cellstr converts a character array matrix into a 
a cell array of individual strings.  Each string in
the matrix is placed in a different cell, and extra spaces
are removed.  The syntax for the command is
y = cellstr(x)
where x is an N x M array of characters as a string.
cellstr
--> a = ['quick';'brown';'fox ';'is '] a = quick brown fox is --> cellstr(a) ans = [quick] [brown] [fox] [is]