classdef BasicClass
   properties
      Value {mustBeNumeric}
   end
   methods
      % contstructor
      function obj = BasicClass(value)
          % obj is by default an instance of BasicClass, no need to assign
          if nargin == 1
              obj.Value = value;
          end
      end
      function r = roundOff(obj)
         r = round([obj.Value],2);
      end
      function r = multiplyBy(obj,n)
         r = [obj.Value] * n;
      end
      % operator overloading
      function r = plus(o1, o2)
          % [x.Value] used to support object arrays by default
          r.Value = [o1.Value] + [o2.Value];
      end
   end
end