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From: John on 29 Mar 2010 00:38
hi,

I would like to know how to change simulink block parameters, such as the 'Value' parameter of a constant block during execution through a GUI. I'm not currently using real-time simulatio yet so it is just a original simulink model. I have tried using the set_param function, however, it give me the following error:

??? Error using ==> Trim_GUI>tbAutoTrim_Callback at 264
Parameter(s) of 'SIMULATOR_JohnEdit_v1/States Override/OVERRIDE STATES/V' cannot be changed during model execution.

Error in ==> gui_mainfcn at 96
feval(varargin{:});

Error in ==> Trim_GUI at 43
gui_mainfcn(gui_State, varargin{:});

Error in ==> @(hObject,eventdata)Trim_GUI('tbAutoTrim_Callback',hObject,eventdata,guidata(hObject))

I am using Matlab 2008b.

I have realised that set_param works when i'm using matlab 2009b. However as I am doing this for university and their are only running 2008b i will need to get it working in 2008b.

regards,

John
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