How to call the function A in another function B under the static methods of the same APP Designer?

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Qiang Fu 2023-10-9

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评论： Qiang Fu 2023-10-10

Hello! I'm learning how to design a MATLAB app with MATLAB APP Designer. I' ve written some static functions as the following examples, but I couldn't call the function "add1" in the funtion "test".

methods (Static)
    function test(a, b)
        c = add1(a, b);     %Error: Undefined function 'add1' for input arguments of type 'double'.
        fprintf('The results is %d', c);
    end
    
    function z = add1(x, y)
        z = x + y;
    end
end

I' m not familiar to the OOP. Could you guide me what mistakes I made and how to call the "add1" correctly in addition to nest it in "test"?

Thank you!

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Answer 1

Bhanu Prakash 2023-10-9

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Hi Qiang,

I understand that you want to call the function ‘add1’ from a different function ‘test’, which is under the static methods of the same App Designer class.

One simpler way to accompish this is to define a class using the 'classdef' function in MATLAB, inheriting the base class 'matlab.apps.AppBase' to utilize the built-in functionality provided by App Designer.

Consider the following code:

classdef myApp < matlab.apps.AppBase 
    methods (Static) 
        function test(a, b) 
            c = myApp.add1(a, b); 
            fprintf('The result is %d\n', c); 
        end 
        function z = add1(x, y) 
            z = x + y; 
        end 
    end 
end 