To workspace block

Hi,

I use a GUI to run (or sim) a model from simulink. Everything is ok, but I have a "to workspace block" in my model which don't "write" in the workspace. Does Anybody know why ?

Thanks !

[Kaustubha Govind]

Are you looking in the workspace local to the GUI, or in the MATLAB base workspace? Do you see the same issue when you run the model independent of the GUI?

Answer 1

[Titus Edelhofer]

Hi Sebastien,

using a to file block is of course an alternative. For my answer above, using the set_param command is just for the contrary: it tells Simulink to put the data into your local workspace, e.g.:

function button1_Callback(hObject, eventdata, handles)
set_param('mymodel', 'DstWorkspace', 'current');
[t,x,y] = sim('mymodel');
% say, you have a ToWorkspace with name 'result':
% then you would have right now here the variable result, e.g.:
plot(handles.axes1, result(:,1), result(:, 2:end));

Titus

Answer 2

[Titus Edelhofer]

Hi,

it depends which workspace you expect the data to be: usually they are written to the base workspace. If you want them to be in the local workspace of your GUI function, you have to add

set_param(name_of_your_model, 'DstWorkspace', 'current')

Hope this helps,

Titus

Answer 3

[Sébastien Malengé]

@Kaustubha Govind : I'm looking in the MATLAB base workspace, and yes, if I run my model independent of the GUI, I have my output from the "to workspace block".

@ Titus Edelhofer : I'm going to try your solution, but I don't know if this can work because I don't have any data in the MATLAB base workspace.

Thanks by the way !

Answer 4

[Sébastien Malengé]

I change my block for a block "to file", that's works better, and I can use it with my GUI.