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Simulink Unable to Identify Variable in Base Workspace

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Jake G
Jake G el 1 de Jun. de 2016
Comentada: Arihant Sureka el 21 de Sept. de 2018
I am running a program which calls Simulink, however when simulink gets called I get this error:
Error using Run_Sim (line 39)
Error evaluating expression 'Tsim' for 'StopTime' specified in the Configuration
Parameters dialog for block diagram 'New_model_working_plecs_2012b': Undefined function or
variable 'Tsim'.
however, Tsim is in the base workspace so im not sure what is going wrong here, this file also runs fine matlab 2012

Respuestas (2)

Sebastian Castro
Sebastian Castro el 2 de Jun. de 2016
Are you calling the command from inside a MATLAB function?
If so, you need to make sure to tell the sim command to use the current caller's (the function's) workspace.
simout = sim('modelName','SrcWorkspace','current', ... )
- Sebastian
  4 comentarios
Jake G
Jake G el 2 de Jun. de 2016
I am starting to think my error is more involved than this, I am running matlabs Genetic Algorithm using simulink as the fitness function and that is where my problem is coming from
Jake G
Jake G el 3 de Jun. de 2016
I figured out the problem, Thanks for your help!

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Arihant Sureka
Arihant Sureka el 19 de Sept. de 2018
Editada: Sebastian Castro el 19 de Sept. de 2018
Hi Sebastian
The Version is Matlab 2017b and still the Problem persists. I have already defined my model properties in the base Workspace but Simulink is not able to capture it. Also, this command line
simOut = parsim(simIn,'SrcWorkspace','current');
gives an error
'Invalid parameter 'SrcWorkspace' specified'.
Please guide further as there isn#t any answer available anywhere.
Thanks
  2 comentarios
Sebastian Castro
Sebastian Castro el 19 de Sept. de 2018
Your question is on parsim and not sim, which are different functions. As the error message suggests, parsim does not have a SrcWorkspace property to configure.
Looking at the documentation, and depending on how your data is set up, you either want to use AttachedFiles or TransferBaseWorkspaceVariables.
- Sebastian
Arihant Sureka
Arihant Sureka el 21 de Sept. de 2018
Hi Sebastien
The thing worked. Thanks for the help but since the Matlab 2017b has Bugs I had to clear the previously created slprj Folder and stuff.
Thanks and cheers!

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