MATLAB: How to get Dependent Property depending on properties of objects of different class

classdependent propertyoop

See the code below:
Ex_ObjA.m–>
classdef Ex_ObjA
      properties
          a
      end
      methods
          function Obj=Ex_ObjA(t)
             Obj.a = t; 
          end
      end    
  end
Ex_ObjBC.m–>
classdef Ex_ObjBC
    properties
        b
    end
      properties (Dependent = true, SetAccess = public)
          c
      end    
      methods
          function Obj=Ex_ObjBC(t)
             Obj.b = t; 
          end
          function c=get.c(Obj,s1) % error: Get methods must have exactly one input
              c = Obj.b + s1.a;
          end
      end
  end
I tried to do following:
s1 = Ex_ObjA(2);
s2 = Ex_ObjBC(3);
s2.c
Not successful, because "Get methods must have exactly one input". So I can pass the s1.a to Ex_ObjBC to get s1.c?
Much appreciation!!!

Best Answer

There's no apparent reason why c should be a property, Dependent or otherwise. You could just write the class this way,
classdef Ex_ObjBC
    properties
        b
    end
        methods
            function Obj=Ex_ObjBC(t)
               Obj.b = t; 
            end
            function out=c(Obj,s1) 
                out = Obj.b + s1.a;
            end
        end
    end
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