call a class variable in a function in matlab

To call a class variable in a function in Matlab, you first need to create an instance of the class. You can then use the dot notation to access the class variable, as shown in the example below:

main.m
classdef MyClass
    properties
        myVar = 10;
    end
end

function myFunction()
    obj = MyClass();    % create an instance of MyClass
    disp(obj.myVar);    % access myVar using dot notation
end
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In this example, myFunction creates an instance of MyClass using the syntax obj = MyClass(). This creates a new instance of the class, which contains its own copy of the myVar property. The function then uses the dot notation to access the myVar property of the obj instance, and displays its value using disp.