Trouble with Raspberry Pi 4B in GUI design

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To Tran Luan
To Tran Luan 2021-10-28
So the problem is i was trying to take a snap shot and display the snapped picture on the Axes1 in the GUI that I design.
the code suppose to be recognize mypi and cam, variable as a value, but in this case there aren't any variable shown when the button1 is pushed. Please help. thank you
% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
clear all
mypi=raspi;
cam = cameraboard(mypi,'Resolution', '1280x720');
img=snapshot(cam);
axes(handles.axes1);
imagesc(img);

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