Store a vector in one function and access it from another function in Appdesigner.

Question

zeytun 2021-1-18

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https://ww2.mathworks.cn/matlabcentral/answers/720325-store-a-vector-in-one-function-and-access-it-from-another-function-in-appdesigner

评论： zeytun 2021-1-18

I have a 1x40001 size vector "I" in one function that is calculated using a Gaussian distribution. I need to store this in memory and recall it in another function. In the old GUIDE it would have probably been something like this:

% --- Executes on button press in pushbutton4.
function pushbutton1_Callback(hObject, eventdata, handles)
    ... I = "Gaussian function" ...
    handles.I = I;   % store vector in handles
    guidata(hObject, handles);   % save handles
end
function pushbutton2_Callback(hObject, eventdata, handles)
    I = handles.I; % get vector from handles
    ...
end

But in Appdesigner a simple line

app.I = I;

is not working for storing.

Do I need to create an Edit Field Callback and store the vector value in it or there is a simpler solution?

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Answer 1

Steven Lord 2021-1-18

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https://ww2.mathworks.cn/matlabcentral/answers/720325-store-a-vector-in-one-function-and-access-it-from-another-function-in-appdesigner#answer_600720

See this documentation page.

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zeytun 2021-1-18

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Thank you! I just had to create a property with a name "I2", and then later in the code, right after I calculated the vector "I", I had to add the line.

app.I2 = I;

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