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Run script file from App designer

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Ayman Shaban 2022-5-9

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评论： Ayman Shaban 2022-5-13

I succeed in run my script file from the app designer but the problem is, it runs in command window and when I ask to show result it shows the old one on the workspace

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Rik 2022-5-10

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Why are you using a script for anything serious? You should be using functions instead, as those provide a stable interface.

Ayman Shaban 2022-5-10

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Actualiy I'm using functions and call them in these scripts, I don't know if I can call func in func !

Rik 2022-5-10

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You can absolutely call a function from within a function. So you don't need to use a script at any point.

Ayman Shaban 2022-5-11

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ok, I did that but I stil have the same problem, app designer give me error because it can't find 'result' in the workspace to show it in the editfield

cr 2022-5-12

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In the function where you are computing the result, copy it to main workspace using eval(). e.g. if result is a scalar, eval(['result=' num2str(result)]). This would make the variable available in main workspace. Another way is to use global variables.

Note that both these are less efficient ways of dealing with variable scopes.

Rik 2022-5-12

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How are you calling your function? It sounds like you should set that variable as the output argument of your function.

You should not need eval or global. There are almost always better ways.

Ayman Shaban 2022-5-12

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在 MATLAB Online 中打开

% Button pushed function: ResultButton
        function ResultButtonPushed(app, event)
            TestPenchCode3   %calling function
            
            Result = evalin('base' , 'ans');
            
            app.EditField.Value = Result;
        end

Ayman Shaban 2022-5-12

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@cr The result is like, 'this case is healthy' or 'patient'

Rik 2022-5-12

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在 MATLAB Online 中打开

You should edit your function so you can actually retrieve the output and call it like this:

% Button pushed function: ResultButton
function ResultButtonPushed(app, event)
    Result = TestPenchCode3;   %calling function
    app.EditField.Value = Result;
end

You never need to use eval.

Ayman Shaban 2022-5-12

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@Rik Thank you so much, it's done.

Ayman Shaban 2022-5-12

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I have another Q, I'm working on matlab code for detecting speech disorder, I've five classes each class is 220 sounds, so I use calssification learner in matlab with some features(statistic features, spectrm and MFCCs), The problem is that the accuracy of classifier is weak (about 75%), do you know how I increase it.