f=[-.5 .1 .5]

round(f)

fix(f)

ceil(f)

floor(f)

sum(f)

prod(f) 

% convolution

conv


% error handling and warning

% batch jobs

% Matlab is most often used interactively, but "batch" or "background" jobs 
% can be performed as well. Debug your commands interactively and store 
% them in a file (`script.m', for example). To start a background session 
% from your input file and to put the output and error messages into 
%another file (`script.out', for example), enter this line at the system prompt:

%linux command prompt>> nice matlab < script.m >& script.out  &


% customer support
%http://www.mathworks.com/support/?s_cid=support


%central file exchange
%http://www.mathworks.com/matlabcentral/fileexchange/loadCategory.do