Problem while repeating what is done in Stateflow tutorial

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First
First 2013-6-25
I exactly repeated what is done in the 'getting started' video tutorial for stateflow (<http://www.mathworks.com/videos/getting-started-with-stateflow-70063.html)>.
However, when running the model (which I called 'Decision_logic'), I am getting this error:
"Making simulation target "Decision_logic_sfun", ...
'Decision_logic_sfun.bat' is not recognized as an internal or external command, operable program or batch file. "
Any idea why I am getting this error and how to fix it?
Thanks

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Kaustubha Govind
Kaustubha Govind 2013-6-25
Please see if this previous discussion helps.
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First
First 2013-6-25
编辑：First 2013-6-25
Hi Kaustubha,
Thanks for ur answer
As u suggested in the previous discussion, I ran mex -setup and that's what I obtained:
"_Welcome to mex -setup. This utility will help you set up a default compiler. For a list of supported compilers, see http://www.mathworks.com/support/compilers/R2013a/win64.html
Please choose your compiler for building MEX-files:
Would you like mex to locate installed compilers [y]/n? y
Select a compiler:
[1] Microsoft Visual C++ 2012 in C:\Program Files (x86)\Microsoft Visual Studio 11.0
[0] None
Compiler: 1
Please verify your choices:
Compiler: Microsoft Visual C++ 2012
Location: C:\Program Files (x86)\Microsoft Visual Studio 11.0
Are these correct [y]/n? y
***********************************************************************
Warning: MEX-files generated using Microsoft Visual C++ 2012 require that Microsoft Visual Studio 2012 run-time libraries be available on the computer they are run on. If you plan to redistribute your MEX-files to other MATLAB users, be sure that they have the run-time libraries. ***********************************************************************
Trying to update options file: C:\Users\ALI\AppData\Roaming\MathWorks\MATLAB\R2013a\mexopts.bat From template: C:\PROGRA~1\MATLAB\R2013a\bin\win64\mexopts\msvc110opts.bat
Done . . .
**********************************************************************
Warning: The MATLAB C and Fortran API has changed to support MATLAB variables with more than 2^32-1 elements. In the near future you will be required to update your code to utilize the new API. You can find more information about this at: http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html Building with the -largeArrayDims option enables the new API. _"
Now, after doing this, I reran the Stateflow model, and the error changed; it is now saying:
"Unable to locate a C-compiler required by Stateflow and MATLAB Function blocks.
Use 'mex -setup' to select a supported C-compiler."
Although I already selected the supported compiler! :s
Should I tell Simulink to choose the Microsoft Visual C++ 2012 compiler somewhere in the settings?
Thanks again :)

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