How to initialize a cell with all zero values in matlab?

I want a cell array charstring whose every cell is initialized with {000000}. I tried using

 charstring={0 0 0 0 0 0 };

but its not working.

Answer 1

[KSSV]

charstring={'0' '0' '0' '0' '0' '0'}; 

Or 

charstring = [repmat({'0'},1,6)] ;

[Stephen23]

@KSSV: you might want to think about this a bit more (or actually try it):

charstring = {[repmat('0',1,6]};

Perhaps you really meant to write:

charstring = repmat({'0'},1,6);

[KSSV]

Yes..you are right.....edited the answer....