how to call a private function in private function？

APP DESIGNER methods (Access = private)

Inside the private function is the following statement to call another private function, ECEFtoECI

 [B] = ECEFtoECI(app, A); 
 %When running, an error message is displayed indicating that the variable "app" cannot be recognized.

  [B] = ECEFtoECI(JD(i), A); 
  %If this is the case, an error message is displayed indicating that ECEFtoECI cannot be found

[chrisw23]

function definition

function [B] = ECEFtoECI(app, A) % app as default first arg

...

end

function call (leading app.*)

[B] = app.ECEFtoECI(A)

[Lv]

thanks for your help, but following the above method still does not work, hint: cannot resolve the name“app.ECEFtoECI” in the line of function call

Does this have to do with the order in which the two private functions are defined?

[chrisw23]

The calling function has to have app as an argument .

function callerOfECEFtoECI(app,others)

ret = app.ECEFtoECI()

end

Answer 1

[Neha]

It is my understanding that you want to call a private function within a private function. Since I am not sure where exactly the object is being instantiated, there can be two scenarios where this will work.

Case 1: Calling the first private function from the constructor whose access level is public.

classdef MyClass 
    methods (Access = private) 
        function output1 = privateFunction1(obj) 
            output1 = obj.privateFunction2(A); % calling another private function 
            disp(output1); 
        end 

        function output2 = privateFunction2(obj,A) 
            output2 = A+35; 
        end 
    end 
    
    methods 
        function obj=MyClass() 
            obj.privateFunction1(); 
        end 
    end 
end 

Case 2: Defining a public or a static function which can instantiate objects of the class (factory function).

classdef MyClass 
    methods (Access = private) 
        function output1 = privateFunction1(obj) 
            A=3; 
            output1 = obj.privateFunction2(A); % calling another private function 
            disp(output1); 
        end 
        function output2 = privateFunction2(obj,A) 
            output2 = A+35; 
        end 
    end 
    
    methods (Static) 
        function obj=createInstance(obj) 
            obj=MyClass(); 
            obj.privateFunction1(); 
        end 
    end 
end 

An instance of the class can be created by calling the static method.

obj=MyClass.createInstance();

You can refer to the method syntax documentation for more information about different types of methods and the syntax used to define them.

[Lv]

thanks for your help！