function theMax = myMax(v)
% myMax   return maximum value in a vector
%
% consumes: v, a vector
% produces: theMax, a scalar, the maximum value in v
%
% Example:
%   >> myMax([3 5 6 2])
%   ans =
%       6
%   >> myMax([])
%   ans = 
%       []
%
% P. Conrad for CISC106, sect 99, 10/22/2007
  
  if (length(v) == 0)
    theMax = [];
  else
    theMax = v(1);
    
    for i=2:length(v)
      
      if (v(i) > theMax)
	theMax = v(i);
      end; % if
      
    end; % for

  end % if 
  
  return;
  
end % function