How to define and call non constructor object methods?

I have started using object in Matlab but I do not understand how to define or call non-constructor methods. Just a stupid example: defining this method :

if true
  function NoteDot = CheckingTheDot(obj)
     if obj.IsItAFullHeadNote
         NoteDot = true;
     end
  end
end

and calling as S.CheckingTheDot() it works(S is an instance of the class of course). Instead if I define it as:

if true
  function NoteDot = CheckingTheDot(obj,a)
     if obj.IsItAFullHeadNote && a>2
         NoteDot = true;
     end
  end
end

and calling it as S.CheckingTheDot(a); it returns the error: "Too many input arguments" Thanks in advance

[Francesco]

sorry discard the "if true" and last end lines in the code

Answer 1

[per isakson]

Looks ok to me. Do

    clear all, clear classes

and try the call

    S.CheckingTheDot(a);

again. The old class definition might still be in memory. However, if so there should have been a warning.

[Francesco]

Yes it works, thanks a lot