Creating vectors stings of letters such as names

If my input was qwerty (for example) how do I convert this into a vector [q w e r t y]

Answer 1

[dpb]

It already is a vector--

>> s='qwerty';
>> whos s
  Name      Size            Bytes  Class    Attributes

    s         1x6                12  char               

>> s(1)
ans =
q
>> s(1)
ans =
q
>>