AppDesigner use of extern function and variables

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prrrrr
prrrrr el 14 de Jul. de 2020
Respondida: Geoff Hayes el 15 de Jul. de 2020
hello i have written a function in Matlab:
function [cquad] = aquad(aquadv,bquadv)
%UNTITLED2 Summary of this function goes here
% Detailed explanation goes here
cquad = sqrt(aquadv^2+bquadv^2);
end
and now wants to output them to the Appdesigner GUI at the touch of a button.
methods (Access = public)
function c = aquad(app,aquadv,bquadv)
end
end
% Callbacks that handle component events
methods (Access = private)
% Button pushed function: Button
function ButtonPushed(app, event)
aquadv=app.aEditField.Value;
bquadv=app.bEditField.Value;
% c = aquad(app,aquadv,bquadv)
cEditField.Value=c
end
end
no matter how I try, I always get different flaws

Respuesta aceptada

Geoff Hayes
Geoff Hayes el 15 de Jul. de 2020
prrrrr - so long as the aquad function can be found within the MATLAB search path, then you can just call it directly from App Deisgner. You can remove the method here
methods (Access = public)
function c = aquad(app,aquadv,bquadv)
end
end
as this should just be for methods of the app so you would instead have just
methods (Access = public)
end
or I suppose you could remove this altogether. Then in the push button callback, you would do
% Callbacks that handle component events
methods (Access = private)
% Button pushed function: Button
function ButtonPushed(app, event)
aquadv=app.aEditField.Value;
bquadv=app.bEditField.Value;
cEditField.Value = aquad(aquadv,bquadv);
end
end
The above will hopefully work...

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