how can I express error message in text

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Hello you guys

I made a GUI for ANN. the GUI is worked by loading the mat file, saved the learning result.

after confirming that GUI works, I tried to make the GUI into .exe file.

I used command 'deploytool' and follow a procedure to make a .exe file.

but, when the .exe file works, the output didn't express in .exe file.

I don't know what the error is. please suggest your opinion to me.

additionally I want to use 'try-catch' to find error and express in any static text.

but, it also have a problem. the following is the command to find error

try load('CBM_DC.mat') p1=str2double(get(handles.depth,'String')); p2=str2double(get(handles.perm,'String')); p3=str2double(get(handles.thick,'String')); p4=str2double(get(handles.rank,'String')); p5=str2double(get(handles.content,'String')); p6=str2double(get(handles.strength,'String')); p7=str2double(get(handles.extent,'String')); p8=str2double(get(handles.dip,'String')); p9=str2double(get(handles.num,'String')); input=[p1 p2 p3 p4 p5 p6 p7 p8 p9]; [i1,is]=removeconstantrows(input); [i2,is]=mapminmax(i1); out=sim(net,i2'); fprintf('%8.1f \n',out); catch exception load('cbm_DC.mat') end

set(handles.error,'String',out)

in this command, 'set(handles.error,'String',out)' is the cause of error. please let me know what I should do. thank you.