% -*- texinfo -*- % @deftypefn {Function File} {} center (@var{x}) % @deftypefnx {Function File} {} center (@var{x}, @var{dim}) % If @var{x} is a vector, subtract its mean. % If @var{x} is a matrix, do the above for each column. % If the optional argument @var{dim} is given, perform the above % operation along this dimension % @end deftypefn