How can I run a function on app designer using a push button?

Question

Patrick Kuczwara 2020-5-27

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/536007-how-can-i-run-a-function-on-app-designer-using-a-push-button

回答： Cris LaPierre 2020-5-28

I am attempting to run a function which can be run freestanding outside of app designer, however I have a few of the sam functions I would like to pair in a GUI. I keep getting the following error associated to the lines of code which follow it:

Error using Hip_Analysis_App
Too many output arguments.
Error in Interface_5_26_2020/HipButtonPushed (line 49)
app.Hip
Line 34-36:         function Hip(app)
            app.Hip = Hip_Analysis_App;
            end
Line 48: function HipButtonPushed(app, event)
           
Line 49: app.Hip

Any help resolving this issue would be greatly appreciated.

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Answer 1

Cris LaPierre 2020-5-28

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https://ww2.mathworks.cn/matlabcentral/answers/536007-how-can-i-run-a-function-on-app-designer-using-a-push-button#answer_440863

在 MATLAB Online 中打开

Based on the error message, it appears your function Hip_Analysis_App does not have any outputs. Check your function declaration in the file.

If it look like this

function Hip_Analysis_App

call your function in the app like this

Hip_Analysis_App;

Also note that the function has to be in the current folder or on the MATLAB path.

If your function is supposed to be returning a value, then update your function declaration to place the output variable in the declaration (out here)

function out = Hip_Analysis_App