MATLAB: How to define and call non constructor object methods

classmethodsobject

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

Best Answer

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.

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MATLAB: Super class get callers name

Found it. Just call this:

 me = class(obj);

this gives the name of the created subclass. I call it in the constructor of the superclass:

 function obj = mySuperClass() %constructor
   me = class(obj);
   obj.name = me;
 end

MATLAB: Setter method does not work on inherited class

You're using handle syntax to set the property of your class, yet your class is a value class. Either change your setFoo to:

function obj = setFoo(obj, foo)
   obj.foo = foo;
end

and call it with:

test = test.setFoo(10);

or derive from handle:

classdef Foo < matlab.mixin.Heterogeneous & handle

Also, you can create setter and getter for the class properties, using this syntax

function set.foo(obj, value) %for handle class
   obj.foo = value;
end
function obj = set.foo(obj, value) % for value class
   obj.foo = value;
end

which you call simply with:

obj.foo = 10; %for value and handle class.

Best Answer

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MATLAB: Super class get callers name

MATLAB: Setter method does not work on inherited class

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