please complete #4

%% #3 % % % What is the difference in Matlab between typing: % x=(1 2 3] and x=[1,2,3] and x=(1;2;3]? % what happens if you type a semicolon at the end of the commands % (i.e., X=[1 2 3] ;)? % WRITE COMMENT BELOW % %% #4 % % % (Referring to the last question) % (a) For each of those, what happens if you type x.^2 ? % (b) What happens if you forget the period (e.g., X^2 )? % Don't tell me it returns an error. I know that. % What was it trying to do, and failing at? % WRITE COMMENTS BELOW %