hi
??? Undefined function or variable 'hi'.

>> cat what is wrong with you
??? Error using ==> cat
Dimension must be a finite integer.

>> very bored
??? Undefined function or method 'very' for input arguments
of type 'char'.

>> evidently
??? Undefined function or variable 'evidently'.

>> what to do
to not found.
do not found.

>> how i know
??? Undefined function or method 'how' for input arguments of
type 'char'.

>> this looks ridiculous
??? Undefined function or method 'this' for input arguments
of type 'char'.

>> we are undefined
??? Undefined function or method 'we' for input arguments
of type 'char'.

>> YOU are undefined
??? Undefined function or method 'YOU' for input arguments
of type 'char'.

>> I am not
??? Undefined function or method 'I' for input arguments of
type 'char'.

>> you of course are also undefined
??? Undefined function or method 'you' for input arguments
of type 'char'.

>> i is undefined
??? i is undefined
|
Error: Unexpected MATLAB expression.

>> HAHAHAHAHA I LIKE THAT
??? Undefined function or method 'HAHAHAHAHA' for input
arguments of type 'char'.

>> hahaha is also undefined hahaha
??? Undefined function or method 'hahaha' for input
arguments of type 'char'.

>> not funny

ans =

0 0 0 0 0

and of course, we couldn't stop laughing. :D