Passing variable from MATLAB APP Designer Edit Field to a variable inside a .m file.

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Kuang-Ting Hsueh
Kuang-Ting Hsueh 2022-11-11
回答： Chris 2022-11-14
Currently I am able to create a GUI in the Matlab App Designer and I want to connect some of the input edit field value to some variable inside a .m file. How do I do that?
GUI:
function x_valueEditFieldValueChanged(app, event)
value = app.x_valueEditField.Value;
end
.m File:
want the variable x to be what the user input to be
  3 个评论
显示 1更早的评论
Stephen23
Stephen23 2022-11-14
Why not just call the function and pass that data as an input argument?
That would be by far the simplest and most efficient approach.

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采纳的回答

Chris
Chris 2022-11-14
m-file:
function myFun(x)
disp(x);
end
GUI:
Properties
x
end
function x_valueEditFieldValueChanged(app, event)
app.x = app.x_valueEditField.Value;
myFun(app.x);
end

更多回答（2 个）

Vijay
Vijay 2022-11-14
Hi @Kuang-Ting Hsueh
You can use ‘load’ function to load your desired variable from a matfile into workspace or a structure.
Here is more info on ‘load’ function Load variables from file into workspace - MATLAB load - MathWorks India.
Example:
S = load("matlab.mat"); %S is a structure
app.EditField.Value = S.myVar;
Hope this helps!
Walter Roberson
Walter Roberson 2022-11-14
make x a property of the app. Have your callback do
app.x = app.x_valueEditField.Value;

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